What to do in ranked when you are salty
When my teammates fuck up, I yell at them.
I call them fucking plebeians and brood over how shit my team is.
But I do none of this in the chat.
Just do your screaming internally (or verbally if you aren't in a call with your allies) and don't let it impact your decision making.
I assure you, no one wants to hear how mad you are. That said, venting your anger can help, even if you are venting to no one at all.