This is inappropriate. Pulling in a random PoC to the repo is not how you’re supposed to use PRs. Issues exist for this purpose, but theirs had already been removed.
>It has since been deleted [...] A repost by @U-v-U was later closed and locked.
Reposting the inappropriate PR is also inappropriate.
Does this look like an attempt at productive contribution to you? https://github.com/signalapp/Signal-TLS-Proxy/pull/15
Is this a good patch? It just drops a random file into the repo. https://github.com/signalapp/Signal-TLS-Proxy/commit/40f4d9d...
These people decided to abuse the pull request system after being asked to use https://community.signalusers.org/ instead of GH issues to discuss their concerns.
What was it you did not see any evidence of?