> It helps to put yourself in others' shoes, and ask yourself how much time/energy you, as a startup founder, would be willing to put into regulatory compliance with Canadian/Russian/Indian laws.

If I were to target my business at Canadians, Russians or Indians I would definitely make an effort to comply, especially if those laws in general did not originate from protectionism or were particularly hard to implement (which I don't think the GDPR is, at least not in spirit).