There's a difference in the culture of car ownership and maintenance for sure. In the US, people seem to expect a wide margin of over engineering. I can't count how many times I've encountered people driving cars with timing belts and interference engines, and no idea that they have to change the timing belt periodically. Or people who "upgrade" their cars with aftermarket stuff and then complain when it breaks. They expect it to just work unconditionally.
The video seems to be based on the complaint that a gasket failed (20 years old) and was hard to get to. Well, there has to be some parts on a car that are hard to get to. They can't all be easy. The E46 is a great car in my opinion, and one of the easiest cars in it's class to work on.
There is also a reputable story where Toyota's engineers had to delay their Supra development that is based on the BMW Z4 (or comically known as Zupra) due to the lower standard of components being used by the BMW engineers [3]. The culture for car or vehicle engineering in Germany are notorious for favouring the high performance rather than the high reliability. The were also some of the historians that claimed World War 2 ground battles were won due the cheaper and more reliable Russian made T-34 tanks compared to the over complicated and less reliable Panzer tanks by the Germans.
[1]https://youtu.be/wlNkfaNcbNM
[2]https://www.motorbiscuit.com/how-mazda-outranked-toyota-and-...