Kendall Jenner isn’t very happy that we’re all taking the mick out of her for not being able to chop a cucumber.

If you don’t watch The Kardashians on Disney+, then you may have missed the fuss made over the way the supermodel attempted to slice the offending vegetable on an episode of the reality show. In brief, rather than holding the cucumber at its end and cutting the other, Jenner contorted herself, so her arms ended up crossed and held the vegetable so gingerly it wobbled every time she brought the knife to it.

“Chef do you want to cut this up for her?” her mother, Kris Jenner, shouted to the off-camera chef I presume follows the family around. “I’m doing it myself,” Kendall retorted, very clearly unable to do it herself.

Cucumber-gate was just the beginning of The Kardashians accidentally proving the long-mooted theory that the most famous family in the world has completely lost touch with reality. I hardly believe it myself, but I’m starting to feel sorry for them.

Last Thursday, I watched agog as Kris and her youngest (and richest) daughter Kylie Jenner found boundless joy in one of my most hated tasks – doing a big shop.

“I want to do normal things with you,” Kylie had told her mum, and they were all smiles as they hopped out of their blacked-out G Wagon, exuberant with the knowledge that they were about to push their own trolley around a supermarket all on their own.

As “normal” as they could be with an Hermes Mini Kelly bag (worth at least £6,000) sat in the baby seat of the trolley, mother and daughter skipped around the shop marvelling over sweet potato Tater Tots and waving hello to everyone they met.

There were some hiccups – Kris was confused over how to use chip and pin and they were both rather perturbed when a friendly assistant offered to take their bags out to their car for them – but otherwise, it was a jolly (and rare) moment of normality.

But as Kris rejoiced “we get to load the car!” a wave of sadness hit me. When I get a craving for a meal deal, I whizz down to my local Tesco Express, no bother. But for the Kardashians to do the same is an existential nightmare – imagine everyone knows who you are, imagine everyone is taking pictures of you, imagine everyone is judging your choice of a southern fried chicken wrap instead of a BLT and airing their disgust on the internet. I couldn’t bear it.

Following their supermarket spree, Kris and Kylie went on to fill their car with petrol (they struggled) and enjoyed a drive-through carwash with the wide-eyed excitement of two Labrador puppies. It’s the little things in life that bring joy, so they say, and it seems that adage is especially true when the little things are taken out of your hands and put into the care of highly paid team of staff.

It is very hard to feel sympathy for the Kardashians; aside from Kim’s work towards criminal justice reform, they aren’t exactly a force for good.

And in the same episode Kourtney’s irritating trip to an ayurvedic spa for a week-long Panchakarma cleanse – including a “yoni steam” – at $1, 300 (£1027.74) per day quickly put paid to my worries.

To add insult to injury, the next couple of episodes see Kim show off her 30,000-item strong wardrobe – which she refers to as her “archive” – and deck out her new private jet – “Kim Air” – with Skims colours. That they don’t fill up or wash their own cars or buy their own food is what gives them the time to be glam all the time, build empires and film a sometimes-entertaining TV show.

I would also like to have the freedom and the money to hand over my life admin to someone else. But I’m also glad I can look after myself. Food shopping, making meals and learning how to look after your belongings (such as a car) are important life skills, not just because you couldn’t get by without them, but because they teach independence and responsibility. Without those experiences, the Kardashians – and particularly the Jenners, who have been famous since they were children – are being kept in a permanent state of arrested development.

The Kardashian-Jenners are one of the most powerful families on earth. They are also helpless.

But they are human, believe it or not, and the price they pay for their lavish lifestyles arguably higher than most. Fame can be a prison, and that’s especially true when you can’t even pop to the shops to pick up some milk. Remember that next time you forget a pound for the trolley, and count it as a luxury you can afford.