By statistical certainty, if you get sufficient feedback, there will be negative feedback too. Even if your message is perfect, some people will tell you it’s crap. In fact, especially if it is perfect, some people will say - often with harsh words - it’s no good, because there are clueless people who envy you.
In other words, if you succeed prepare to be tough because you will get criticism. So learn to go, Honey Badger Don’t Care.
What was the name of the copywriter who said, "50% of people are crazy" and "if your client always agrees with you you're doing something wrong"? And then there's this - ""Rejection is the big kahuna in all entrepreneurship. Show me someone who can take a hit, and I'll show you a good entrepreneur... It's all in how well you get back up." --Barbara Corcoran http://entm.ag/HacttF
Absolutely true. If you don't get any negative feedback, you're not pushing enough. Or maybe not doing anything at all...
Put yourself out there. You'll never get super-fans being cautious!
Besides, some people are just cranky. :)