In particular, I remember there was an FPP here a couple of years ago focusing on gay men and HIV stigma, in which Conspire was repeatedly told to stop using words like "serosorting" -- on the grounds that using terms like that on a generalist website must be a deliberate attempt to confuse, intimidate, and exclude other people from the conversation.
But I also recognize that might not be true for people who haven't been here for 10 years. Maybe a little encouragement -- designating a specific month a 'safe space' for posting -- is something that will really help some of those people. Maybe it will show them that they're not going to be judged solely on their sexuality here (except for when some occasional outlier is being a jerk). So, why not? Doesn't hurt anything.
I think if people could look at this less like a solution to a problem the site doesn't have, and more like "Hey, here's a neat thing we could do for some of our fellow community members!" -- well, I think that's a pretty simple way to look at it, and I don't see how that could be a bad thing. A necessary thing? Not for me personally, no. Necessary for other members of the community? Who the hell knows? Maybe yes. Won't know until it happens.
No one is forcing anyone to post anything.