[fart_ratty]

BGP not having security has caused many problems.

[allarm]

BGP over some new fancy transport protocol will cause way more problems.

[CameronNemo]

Practically? Yes it will cause all kinds of chaos.

Theoretically? Depends on the transport and it's characteristics. There could be a theoretical gain to using something else.

[CameronNemo]

BGP has some security. It's called rpki and the industry is slowly adopting it.