I'd also worry about crappy documentation / followthrough. What's to stop management teams from using such ventures to roadtest ideas and architecture and fit, "fail", then launch for real without the crowdfunders?
Nor need we go even that far. What about cronyisms in investment recommendation, management hiring, consultant hiring?
You or I might be able to assess the network reputation of various players and intermediaries. But there are a ton of investors who can't spell 'DNS' and lack the self-knowledge to know they can't.
I'm as anti-regulatory as anyone I've seen on this forum, but this to me looks like trouble. I'm sure you mean well, it _sounds_ like a good idea. But if you imagine the broader universe of potential funders and funded, you may begin to see the problems.