Well, for a start, I'm on kbin.social so when I click your profile you have 0 everything. So whatever we have on our instance probably doesn't come with us into the fediverse.
And here at kbin our upvotes are not karma. I can see them on my comments but they don't accumulate anywhere. So it means nothing. (There is some kind of system here where downvotes matter locally and not upvotes but apparently its broken and Ernest will probably fix it one day).