Sponsors cannot be changed.
The only thing I can recommend is that we do away with tracking cookies, so that people will always sign up under whom they intended - which does NOT support the efforts of our many promoters who are certainly profiting greatly from the current system.
Now I agree with what Carl said and promoters should be rewarded but ... if you're surfing and you see the site, it looks interesting, so you click on it. You then get tracked to that promoter ID.
Then if you say ... "I wonder if blondie or Gord is in this?" and go to one of our blogs to check and see if we are playing. Oh they are! Cool, I'll join under one of them.
Well No, you actually won't be in our downline UNLESS you clear your cookies before joining. And that is assuming the other person/sponsor did not do cookie dropping, which is a whole nother ball game.
So remember, when someone wants to join under you as their upline, please ask them to clear their browser cookies first, also send them YOUR referrer link. Else you may lose out on that referral. Cool :)