[rini17]

They wanted a protocol as opaque to middleboxes as possible. SCTP probably isn't, that was not an issue back when it was created.

[ikiris]

Most of the point is removing round trips from setup. SCTP doesn't do that.

[ldng]

What Google wants for itself should be irrelevant to the broader Inter-Network standards.

[detaro]

Plenty other people and organizations want that too. QUIC at IETF was far from just Google doing something, and large parts of the relevant communities agree on the middlebox issue, people pushing "but we need to be able to mess with traffic!!!" are luckily waay in the minority there.