I suggested a change that wouldn't allow newbies to post links until they have spent some time in the forum in this thread:
Brand new / Newbie accounts shouldn't be allowed to post links early onHowever, the response from the community wasn't very welcoming of the idea, and the reason behind that is @theymos's idea of not bringing the newbie jail back since it can be damaging to the forum.
Limiting newbie participation is very harmful for a community. Newbie jail will never return: I consider the newbie-jail period to have been extremely damaging to the forum. When barriers to participation are too high, then the best people often just won't go to the trouble of joining, and the people who are willing to jump through the hoops are often people who aren't good for the community: people with nothing better to do, scammers, get-rick-quickers, etc. Having a permanent newbie jail policy would improve things a lot in the short-term, but would end up being a fatal poison to the community.
So, I didn't push it much.