You don't get it, or act as if you don't even I know you do because we already had this discussion a couple of times and it was clear that you know what I meant. This makes me even more suspicious regarding your app.
Let me restate that another time. If that doesn't hit home this time I will have to consider that you have bad intentions and escalate the matter to the abuse team. So pay attention this time around.
Allowing users to login with their master passwords is allowing users to compromise their account. Unless you stand to benefit from users compromising their account (for instance by stealing their account), why would you add such a self-defeating feature? Again the simple fact you insist on letting this login method - which you know full well will lead many users to stupidly handover their master password to you - is raising a huge red flag.
I'm that close of considering you a scammer due to your acting as if you didn't understand what I'm talking about in spite of our earlier unambiguous discussion on that matter. It's never too late to fix that though, remove that gaping security threat from your app and I'll stop interfering. If you don't things are going to escalate because I, and other security aware whales, won't let you advertise and app that basically compromises users security.