There are plenty of things that you can take up as a hobby which are legal (and moral or amoral) that can negatively affect your life (job, social status). You

There are plenty of things that you can take up as a hobby which are legal (and moral or amoral) that can negatively affect your life (job, social status). You can argue that most of this is due to bigotry and missing legal protections, but there'll be no ultimate defence against unpopular activities any more than unpopular views.