Investors ' desire to get good bonuses at the end of the holding of the ICO can affect opinion later participants. I think that it is with this purpose counter sold tokens not updated.
I don't quite understand your thoughts. Bonuses can attract participants, but only the high-quality work of the team is the main factor that determines the number of investors.
According to forecasts by the developers in the future growth of the token will be high. If the team succeeds in developing the application, then investors will win even without the bonuses for the top parties.