Do we have so many bodybuilders now, much more then 20 years ago? I don't know.
There was this sort of fad like 10-20 years ago with Polish guys taking steroids, lifting, being body builders now, etc. That era produced Mariusz Pudzianowski. Now at least for males MMA, kickboxing, etc. are more popular. Even Pudzian went from strongmen competitions to MMA.