We also had to take care of the few folks who signed up with wrong password(in the sense that they never intended the password to start with a capital letter.).

We also had to take care of the few folks who signed up with wrong password(in the sense that they never intended the password to start with a capital letter.). Changing the field value was a part of it - applicable for all new users. The complication was the people who already went through the flow and would have trouble logging in now.