Affiliate Marketing Secrets

I have tried finding out over the internet whether or not it is okay to include an affiliate link on a youtube video of say a review and critiquing of board games, I want to include an affiliate link toward the end of the videos. but I read the rules and they do not clearly outlaw this if indeed it is outlawed imo. I have heard of people who use affiliate links in their vids getting banned for promoting money scams and stuff like that but it does not answer my question that if i follow the rules to the letter while affiliate linking is affiliate linking against the rules?
since I could not find an answer that was not subjective I want to know if anybody has actually had their vid(s) banned for this practice.