No, they should get more, and earlier, notice so that inappropriate submissions and comments can get flagged earlier to help teach them what this site is and should be about.

It's an experiment: http://news.ycombinator.com/item?id=2434333

It's testing out ways to try to halt the current perceived decline in civility and quality: http://news.ycombinator.com/item?id=2403696

It's been prompted by the departure of some long-standing, high-profile users:

http://news.ycombinator.com/item?id=2402730

http://news.ycombinator.com/item?id=2161427

It is pretty easy to spot the spam submissions, but it seems like there is more spam comments now so this makes it very easy to spot those and flag them.