Yeah, the fact that too many websites just ignore language settings/preferences (both system, and browser it seems) is really annoying. Location-based language picking doesn't even make sense in some locations. Like ebay not even giving an option to switch from German to anything else, if you are in Switzerland. They seem to be unaware that Switzerland is a multilingual country?
Don't expect too much from ebay, even effin' google search in 2026 (and certainly 2027 too) cannot figure out I am deeply in french speaking part of Switzerland, and thus it may be better to serve me in french. They do have Swiss offices in Zurich mind you.
I keep my Firefox on mobile (with ublock origin) not logged into my google account. Every second search result since forever I need to add work "english" to it, clearly just english search words are not enough to convince it to give me english-speaking results, all is in german. Sometimes, even that word doesn't switch it.
Its pretty pathetic for otherwise stellar tech company of such scale, and since we are in 2026 clearly not a priority for anybody.