They're not defensively good enough to keep out either of PSG or Bayerns front 3 and their front 3 isn't strong enough to go punch for punch.
Not to mention they've got a proper title race to contend with and a very emotional fan base.
I really cannot see them having the energy to do it in the final. Could see it being a bit like last seasons final where Inter just ran out of steam. Not 5-0 but just a straight forward win for either PSG or Bayern.