In many of these areas, contrarian opinions aren't particularly scandalous, and one doesn't have to fear any serious repercussions for voicing them.
Can you name one or two, then?
For example, in economics and in all kinds of fields related to health and lifestyle, there are many issues where the academic mainstream appears to be seriously detached from reality, and the falsities and delusions purveyed by it cause very real damage in practice. Attacking these is unlikely to be dangerous, but it will put you in a position where you're presumed to be a crackpot until proven otherwise (and likely even after that), since the word of the accredited experts is against you.
Now, if some people speak up against one sort of delusion and fals...
The talks from Skepticon IV are being posted to YouTube.
So far we have:
ADDED:
More to come soon, hopefully...