well I think a problem is when few people drive wit same username , they can get more points. If a certain team wants to earn S2 licence, people may have agreement to drive on a single username to get S2 more easely. For example, one person from canada has agreement wit person in india to drive on same username, when person from india sleeps during night, thne person in canada can drive during the day, then it goes vice versa, person in canada now sleeps and person in india connects to the same username and drives all day. Thats my opinion why is this done