Likes and dislikes don't ultimately matter to Google, engagement does. Viewing is enough: likes, dislikes, comments; those are just multipliers.
Hiding dislikes is something Brands want.
Hiding dislikes is something Brands want.
That's the word. It isn't really "likes" in the sense that we normally think of it. It's ticks on the relationship of "engagement" to "dollars".
IIRC, Facebook was pretty upfront about this being why they didn't implement a "dislike" button; the information wasn't valuable to them.