It's more what it's symbolic of, really.
I can park well enough, but at the same time I use ultrasonics for precision and confirmation. Higher end cars nowadays (and for some time) have intelligent, adaptive headlights that mask out other cars oncoming or in front of you so you have maximum illumination of your surroundings without blinding people. These same higher end cars have lane keeping, self parking that actually works, automatic wipers that you don't even think about because they just work.
All of this technology exists and has done for years, and if you're paying a decent amount for a car it's not unreasonable to expect it. It's particularly shocking when this basic stuff doesn't exist or doesn't work properly on a car from a company that sells itself on being "the tech person's car". The reason these things don't work on modern Teslas is not because the technology is immature, or even particularly expensive, it's because Tesla would rather save a relatively paltry amount to maximise their profit margins. The customers suffer, and the customers don't even have the choice to spec these things as an option.
Beyond class leading range, the SC network, and the software UX - I'm struggling to justify why I still have my Model 3 to be honest, and this is brought into sharp focus whenever I happen to sit in or drive any remotely new, similarly priced car. I'm frankly sick and tired of Tesla removing things from these cars without a substitute system available. Tesla Vision Park Assist is a poor alternative to ultrasonics, and didn't arrive on the scene until a full 6 months after they had already started removing sensors from delivered cars. Matrix headlights were shipped on the first Shanghai cars, and nothing has been done with them since then. They are utterly dumb, beyond a gimmick feature during another gimmick (Lightshow).
There are aspects of my car that I like, but more often than not now I find myself unimpressed with the things being removed purely for margin-boosting, the glacial or backwards pace of automated driving in the UK & Europe, etc. I find myself asking myself why I should drop £55k+ again on another M3P (or whatever replaces it) when Tesla will just kick me in the balls with a £10k price drop at some point, when none of the convenience tech that is ubiquitous exists or works, etc. There comes a point where one starts to question why one is putting up with it.
