QUIC is not some random application layer protocol. Google has been using it for quite some time and there's plenty of data that points to clear benefits over T

QUIC is not some random application layer protocol. Google has been using it for quite some time and there's plenty of data that points to clear benefits over TCP. It is being worked upon at the IETF by people who actually have skin in the game. Please spend a little a bit of time and effort in trying to understand what problems QUIC is solving before dismissing it.