Many actors gracefully volunteer to commit to a role and do whatever it takes to complete the project, and that sometimes means nudity. Men or women that are fit and easy on the eyes , create buzz and therefore people tend to just focus on the looks of the actor instead of the piece of work or the storyline.
When you turn into this persona that the world wants you to be, instead of being who you are, you sometimes just snap. Just like Patrick in the movie American Psycho.
For these group of actors, clothes must really burn their skin. For Hugh Jackman and Tom Hiddleston they seem to be without clothes a lot during their movies. I’m sure people are not complaining, but people must really like actors for their talents and not just their looks.