Per the RFC, QUIC is literally defined as a transport protocol... Literally the first sentence of the overview is: "QUIC is a secure general-purpose transport

Per the RFC, QUIC is literally defined as a transport protocol... Literally the first sentence of the overview is: "QUIC is a secure general-purpose transport protocol." More importantly, QUIC literally bakes in TLS into how it works which is a far cry away from replacing it. "The QUIC handshake combines negotiation of cryptographic and transport parameters. QUIC integrates the TLS handshake [TLS13], although using a customized framing for protecting packets."