I'm also a bit concerned that "security researchers" don't seem to understand the threat model. Signal has never claimed to be able to hide that it was being used. The TLS proxy is only meant to help circumvent censorship, not obfuscate its protocol. And indeed, as a temporary solution, it's not ideal even to circumvent censorship. But they're apparently working on something better, and all this distraction is not helping.
I think that says it all.
I'm also a bit concerned that "security researchers" don't seem to understand the threat model. Signal has never claimed to be able to hide that it was being used. The TLS proxy is only meant to help circumvent censorship, not obfuscate its protocol. And indeed, as a temporary solution, it's not ideal even to circumvent censorship. But they're apparently working on something better, and all this distraction is not helping.