top six reasons to punch fascists:

6/ sends them a clear message using their own chosen medium of communication, violence
5/ demonstrates proper behavior to others
4/ asserts the puncher's moral high ground, boosting confidence in other endeavors
3/ relieves the puncher of having to disobey all the buttons and placards that direct them in no uncertain terms to punch fascists by simply complying
2/ deep, meaningful catharsis
1/ oh my fucking sainted aunt Beverly do they have it fucking coming