I suspect rather than posting whataboutisms that it would be more useful to adhere to the spirit of the rule rather than asking how close you can get to violating it without actually getting kicked off.
I agree that they have different connotations. However, in the absence of other information, I don't see how we could ever collectively agree on a better value. The least subjective option, as far as I'm concerned, is "more than 50%". If a is 50.001 and b is 49.999, then a is the one with the most, not b.