I'm not looking for a pat on the back from you. Again, all I said was that you (mostly) don't know what closed source software is actually doing. I have yet to understand how in the world you disagree with that.
Of course not. And even if I did, there's no chance I could catch every possible bug or issue or exploitable issue. But, like I said several replies ago: life is full of choices between imperfect options. I try to choose the less bad choice as often as possible.
If you wanted to spy on your users, would you honestly risk publishing your source code? Let's be real.