I'm not sure I could do it...any of those professions...and I'm probably one of the more generous guys on this site when it comes to giving ppl a chance to define themselves based on more than just their mannerisms, education, financial status or job...
I also kinda reject the way this question was setup in the O.P. To say stripping, doing porn and drag shows is "just young men being young men" is false. The majority of people don't do those things. Those are choices ppl make that are, for the most part, considered out of the norm and taboo (even though tons of ppl enjoy watching them do it). This is truly evident with the guys themselves who often try to keep their pasts a secret for as long as possible because they know how its viewed.
My general attitude is if you did things in your youth that would make it near impossible for you to run for congress or be the principle at a high school, odds are we're not gonna be compatible.
This includes being a heavy drug user, which I would argue is far more common for 20 year olds to do than stripping and porn.
This question goes to my concern about all these young guys who post nudes all over Tumblr and Xtube, and do explicit sex scenes in web series. It's all a part of the devaluing of their worth which can have future consequences for their careers or lives (STIs, Loss of income, etc). Not to mention it adds to the stereotype that all gay men engage in these types of activities.