[ishigoemon]

A TCP socket teardown followed by a reconnect is hardly the equivalent of ramming a floating chunk of ice. There are a bunch of reasons you will see that teardown in practice, like NAT timeouts in a home router, or carrier-grade 6to4 NAT, or mobile devices rehoming to a new tower, or anywhere else that state is tied to the path.

Sure this is a deliberately produced failure, but only in the sense that this is a "normal" failure. This is a condition that is to be expected on the internet, and this is simply an additional place it occurs.