Both play a part.
Aaron's high expectations for himself sure made it hard for him to live up to them and be satisfied with whatever he was doing but....
Nurture plays a role in suicide. In this case, the Feds were definitely trying to stop this beautiful flower from growing.
It was having trouble on his own.
What they should have done, the "appropriate" thing to do, as Larry put it was to cut the weeds nearby and any sick branches he may have had. JSTOR apparently death with it pretty well and tied to cut off the sick branches that Aaron had on him.
No one has gloried the suicide either. He will just truly be missed. AND it is especially sad that he was put in a situation that was blown out of proportion and tried to crush him. It could happen to you.
Say you're in Cancun and some people find you having sex in public and then throw some cocaine at you, trying to accuse you of drug smuggling but it just so happens you don't have the money or the connections to ward them off. (This is everyday life in Latin America)