I tried learning to speak Yiddish and eventually gave up, because everybody I met had a different pronunciation. That includes Loshon Kodesh. BP is an absolute mishmash because everybody pronounces things the way they think they did back in their own part of Europe – which is a pretty big place.
When I lived in Israeli I knew a genuine Teimani family and loved just listening to them talk in the Teimani accent. Why can’t we all talk like them? Well, everybody would have a fit because they’re not like back in Lvov/Brisk/Vilna/Minsk/….
Rather than worrying about pronunciation, and whether yours is as good as mine, let’s worry about keeping the Torah. Like maybe all that bein adam ‘chaveiro stuff about not looking down on your fellow Jew, and not being gaivahdich about how frum you are 😉