I don't think you sound arrogant at all, you just struck a nerve and talk straight. That's what many - including myself - appreciate.
50K active users are not attractive or relevant in terms of business to any business. If we seriously aim for mainstream adoption, then we need a different approach. Retention doesn't require magic, but a product that attracts everybody.
I'm planning to voice those ideas at Steemfest and hope to enter some constructive debate.