Yea I'm not sure I can explain it any better that you saying 2 people fucking in front of a minor will garner an ENTIRELY different reaction than saying "my two friends fucked next to me and my 17 year old friend". 17 is mature enough to not be traumatized by seeing 2 people fucking, 17 is a legal adult in many parts of the world. It's not as if a 32 year old is having sex with the 17 year old in this situation. You know that there is legal implications by wording it the way you did because you wanted people to be disgusted by your friends the same way you are, but your reason is that you had a crush on the guy. It honestly seems like you said it out of spite and to make people angry at them and sympathetic towards you even more. I understand what happened wasn't cool but this wasn't some HUGE deal like you were trying to imply by adding the minor part.