What if a TR team simply double protects and THEN sets up TR or whatever they are planning? You can get a CM boost or something, sure, but Kiss can still flinch you to death. :/Fake Out got a huge boost, especially in double and triple battles. Even a slow Fake Out user can now flinch the user of any other priority attack.
Far more important is that a faster Fake Out user can flinch a Pokémon using Follow Me or Rage Powder. Finally!
But yeah, this is a MINOR nerf to Trick Room teams, but I'm sure there's going to be ways to play around the new Fake Out.