I don’t know much about wheelchairs but I watched the video in the article and by the looks of it these are a certain class of wheelchair and they don’t look comparable to what you’ve linked to. My guess is photos are deceiving and there’s a handful of features worth having if you spend your waking moments in one of these things. The reviewer in the video mentioned some features he liked and disliked, wheels specifically can be a huge factor and tend to be expensive upgrades
There are wheelchairs with specific features, such as one-handed folding, so you can get in and out of the car on your own. Models for people with specific needs, different levels of independence and physical ability (hemiplegics).
NaW offers a fairly basic product, which doesn't look foldable, for example.