I help run a small annual founders retreat with around 20 other folks, and this is the first year we have zero Canadians attending (typically ~25%).
These are folks I know and talk to, and they're not even so much explicitly boycotting the US as the rhetoric is enough that they just feel sort of uncomfortable and unwelcome.
These are folks I know and talk to, and they're not even so much explicitly boycotting the US as the rhetoric is enough that they just feel sort of uncomfortable and unwelcome.