He didn't end verification: he tried to get people to pay for it and people revolted. There's a difference. The fix is easy. Unlike what, say, AB InBev has done to their BL brand. Now that was dumb.
As for losing the most money, LOL! Who GAF? He's still close to the richest man in the world. After a billion, it's all funny money anyway that he'll never be able to spend.