I'd say this is a good idea, but I don't see how it'd stop the lemmings from giving a stranger 1,000 of BTC and then being surprised when they run off. Can't fix stupid.
Maybe we can fix stupid!
we can lunch a site, which has a list of trusted bitcoin site.
we advertise this site everywhere. and we tell poeple not to trust anyone else then the sites listed
this way any new site would have to be reviewed by the community for security holes and doing a background cheek on the owners.
if poeple knew we had such a system in place, they you have more trust.
A yelp for BTC could work.