It might (will?) come down to Canada deciding that Trump can't be negotiated with and that appeasement isn't a smart move. If that comes to pass, digital taxes and rules can be resurrected or continued. No clue what is actually going to go down, but there's a fair number of pissed off Canadians up here. And your guess is as good as mine which country will endure economic pain better.
"70 leading Canadians, civil society groups ask Carney to protect Canada's 'digital sovereignty'"