>>55812585It has Berry Finding S, that's why.
Helping Bonus is also a boon but it won't enjoy that until very late on.
Realistically it having BFS will contribute far more strength than just making a helper gather 5 lots of something immediately.
Here's analysis of a level 30 Arcanine on a team by itself, as to not have other team mates be the variable by having it boost itself.
Left is your BFS Arcanine.
Middle is max skill trigger rate.
Right is Helping Speed M at 25 instead of Skill Trigger S.
BFS is so crazy good that it beats a lot of good subskill + nature spreads that lack BFS.
Even a BFS users with a helping speed hindering nature tend to be better than most things lacking BFS.