You do come across some who believe British English is superior to American, but far fewer than before. In the 1960s, angry letters were written to newspapers complaining about the 'invasion' of American words. Nowadays, you don't hear this sort of thing very much.
About the use of 'you' in English. Many find it difficult to adjust to a language where we use the same pronoun for presidents and pets. I understand how you feel, but do try not to worry. You can always show politeness through the verbs in English, not that this is neceesary here.
