I think the problem was not in what you said, but the way you said it. Rather than slipping in a plug at the end of your post, I've noticed that posts with the

I think the problem was not in what you said, but the way you said it. Rather than slipping in a plug at the end of your post, I've noticed that posts with the style of "I agree this is a problem, here's a company/project I've founded to do something about it" are generally well-received.