The collective 'you' is the same as the singular. Just like fish and sheep. It's incorrect to create a collective 'you' in the same way it's incorrect to say

The collective 'you' is the same as the singular. Just like fish and sheep. It's incorrect to create a collective 'you' in the same way it's incorrect to say 'sheep'. But English is open source, so whatever. Ironically, I'm from New Orleans apparently.