Especially if the "enough" is "enough around any star, anywhere". The a priori probability of it happening around any particular star need not be high. And "anywhere" can be something extremely broad, as in "on any branch of a universal Many Worlds wave function".

Yes but the window of time during which these bodies could have contained liquid water was very narrow, so there would have needed to be a very high number of such bodies to support the low probability of life hypothesis