Someone threw a Hentai party and I missed the whole thing? Typical.
Needing to wait a week before being allowed to post. (not friendly to new users, but I would argue that they and we would be better off if they lurked and read other posts for a week anyway)
Of the suggestions, this is the only one that seems off to me. No images, sure, no links, great, but no posts? Not sure about this one.
Keep in mind that many of the people in my thread are the “good” sort of hit-and-run account. Someone who is totally down with our preservations, community goals, etc, but sees no need to join the forum per se, except that they need to ask one question about Project Threepio, so they make an account, post, get their answer, and we never hear from them again. Add to this the fact that many of the posters do not communicate in English very well (which may be the number one reason they weren’t already on the forum), and it wouldn’t take many roadblocks to make this process too hard for them. Heck, I even had to save one of my Russian counterparts from a temp-ban here once because his command of English just makes him sound like a bot hijacked his account.
Most of the suggestions here are pretty neutral in this scenario, though, so I’d say go for them. Waiting a week for any posting at all might really be too much if you really have no intent to join the forum long-term, and you’re pasting all of the forum messages into Google Translate and trying to make sense of the results.