If you nerfed nothing, then in order to make everything as good as TLW or Thorn or Felwinter's, it would all get extremely powerful and fast death, making crucible unplayable

It's tough because only a handful of exotics are truly exotic. The others are just lame. Hard light never had a chance neither did necro. These guns are garbage and need a buff. Last word and thorn are fine - they are exotic and supposed to be good and slightly above the other legendary or blue primaries. Without them t game becomes generic and boring.