Yes I would agree 100% with that Art. As soon as I dropped ProtectFly off of domains at RF I was getting SPAM the next day.
I can tell you, I'm 100% in agreement with Protecting WHOIS information. Its not a matter of phone numbers / addresses cause even phone solicitation, I can hang up on. You literally can't do anything about SPAM. It will NEVER stop.
My point with RF is, what COULD RegisterFly do with 500,000 VALID emails ??

Minus one of course

I just never thought of removing my valid email from their service.... until now.