We already have a grace period. It's called the validation process. That gives you more than enough time to read the CoC and read different threads to understand how things should go around here. Not to mention, the people responsible enough to be endowed with the ban hammer are adults, go to college, work real jobs, etc. What everyone is proposing sounds like it is making more work for the M&A team, not less.
I read this somewhere on these boards (it's a pretty common piece of advice), but you should find foam that you like, and then find a barrel material that fits your foam.