Posing a question with an alt, then engaging in the discussion to increase his post count.
A member can cook up a half baked reply to a random thread on the forum much faster than they would if they went through the route of creating a new thread on an alt and then replying to it. I think the idea behind that action is fishing for merits rather than increasing post count.
I am also against newbie restrictions, there is already quite a handful of them aimed at reducing spam.
The first proposal is to create a board dedicated only to newbie members, and that board should be signature free,
How will newbies learn in a board dedicated just for them without seasoned members to answer their questions and queries? I can already see scammers opening newbie accounts and filling such board with lots of scam traps for newbies to fall into.