How exactly do privacy concerns "go away" when you start paying? Your email is still readable by a third party.
On the other hand, I can see trusting a paid provider more for reasons of stability, level of support (in case, say, I lose access to my account), and continued development (the Gmail webclient has been relatively stagnant for a while now).
On the other hand, I can see trusting a paid provider more for reasons of stability, level of support (in case, say, I lose access to my account), and continued development (the Gmail webclient has been relatively stagnant for a while now).