Why? People could also do that now if they wish. You can't stop malicious compliance with a poorly implemented filter. And for that you have the flag button and

Why? People could also do that now if they wish. You can't stop malicious compliance with a poorly implemented filter. And for that you have the flag button and dang who deletes them. But if you do have a poorly implemented filter, why not let your users know the rules instead of them finding out through obscurity? Openness is better than obscurity, no? Isn't that the FOSS ethos?