I think it's best to limit certain reactions to certain forums, e.g. barf react in world armed forces & member's club only.Posting 'reactions' to show disagreement is for sheep. It's a herd tactic.
If you wanna "shake your head" then post your argument in response, so that your view is also open to criticism.
This proposal only lowers the level of discourse.
p.s. I'd even support removing the "like" button for the same reason, on principle, if it was proposed, even though I "like" it.