As of today, the latest build of etc_requests.lua (v0.8) does not seem to include the ability for users to opt-out of receiving [CHAT]Requests bot activity, despite the changelog mentioning "chat is optional (opt out)".
It would be very helpful if the script allowed users to simply control their participation via commands like +reqchatoff, +reqchaton and control their opt-in/out status via right-click menu too.
I've seen pulsar active on this repo and I hope he will consider implementing this functionality: