Vyhodilo se zájmeno "ty" a zůstalo zájmeno "vy". Kdyby "you" mělo být "ty" pak by to muselo být "you is" a ne "you are".
- Semantically, you is both singular and plural, though syntactically it is always plural: it always takes a verb form that originally marked the word as plural, (i.e. you are, in common with we are and they are). https://en.wikipedia.org/wiki/You#:~:text=Semantically%2C%20you%20is%20both%20singular,we%20are%20and%20they%20are).
- Hey, you guys, you is already plural: https://blogs.illinois.edu/view/25/686417
