My Android problem and a case for proprietary over opensource. (UPDATED: With solution)

Update: My good friend (Dan Monsieurle Aka Mled) commented with the solution. Just try signing into the YouTube app with the account you want to sync and  it will automatically add it to the list of your accounts. Kapish! The best solution is almost always the easiest. Omachonu Ogali, I guess it was Google’s problem after …