In order to support tariffs, you must first support eliminating jobs and companies getting rid of emplyees due to lack of sales from the higher prices. Tariffs on Canadian imports means Canadians lose their jobs. Retaliating with tariffs on American imports means Americans lose their jobs.
Not if they can’t provide evidence of physical violence. Negative comments and mockery does not rise to the level of orders for being hunted for execution like some opposing political people or religious people had their families killed for not bowing to government system and surviving members had to flee country before they end up dead like their family.