Sometimes I don’t get it Yahoo!?

I respect the anti spamming and solicitation instructions of these forums.
I made an answer a few days ago SUGGESTING a certain service of which I’m NOT officially an affiliate and they removed my answer.
I see people on this forum all the time openly posting their affiliate links telling people about how much money they’re making through these programs. I have NEVER asked anyone to join me in business through Yahoo! Answers.
I really don’t get it.
I suggested a company name that coaches people in network marketing because it has helped me personally yet they remove it. People have suggested things like cashcrate and different survey programs that pay you and they’ve used their affiliate links (which i did NOT do) to RECRUIT people to join them in business.
What should I do to get this sort of immunity?
I”m here to build relationships and share knowledge as well as gain info from time to time. I do home based business and I do my best to avoid recruitment attempts in this way.