I would definitely be less likely to buy food/drink from a place with AI ads (because I don't trust that what they're advertising would correspond to what they're selling), but I can't imagine threatening someone over it.
ive been called enough mean names by friends and strangers id much rather be called some more mean names in order to become aware of what i could do to win back some customers
It's bullying.
https://en.wikipedia.org/wiki/Anti-BDS_laws
I consider a boycott threat a non-violent threat; legal but an exercise of power that has moral dimensions.