But they are useful and completely valid ways of dealing with the problem.
It is not the end of the world if I have to click am extra once or twice to change the language. Hell most websites have much harder processes just to reject cookies.
Personally I would rather err on the side of slightly extra work the odd time I’m not on a website not in my native language than have an extra bit of information that can be used to track me.
Again take a look at the Gemini protocol, its a perfectly fine browsing experience without all the cruft.
A lot of it is in the design stage tbf. If features/UI can be cut or simplified then it can make a big difference. Performant code is good and the tech stack you choose also matters.