Don't know where you heard this dude but it's definitely not true, they drop your lowest grade course each year but that's all the weighting they do. Only school in Canada I know of that does...
Canadians have it literally twice as bad as Americans (srs). I have around a 3.9, got just flat out rejections from Canadian schools so far, but multiple interviews to top 20 US schools.
Yeah I think you are over-analyzing it, there's so many other aspects of your application this isn't going to make the difference between interview/rejection.
Any other brahs still have 0 interviews? I was complete at 8 schools in like August and haven't heard anything, bit surprised cause my stats are super high. I have a feeling one of my LORs must...