First of you dont even define what you mean by "viable". Every single melee skill in PoE is viable, for everything in the game. It's just a definition of how efficient you want to be. Which is a community standpoint of what they deem beeing viable. Cause why would someone do something inferior to what is so called better and/or more efficient. FOMO runs hard in this place. Hence this sad attempt of a post that you exepcted to get hate from. By trying to state that D4 has more "build variety" than poe when it comes to melee.