The need to step outside of mainstream views has been important for intellectual progress over the years, indeed. The problem we have now is we're stuck with a

The need to step outside of mainstream views has been important for intellectual progress over the years, indeed. The problem we have now is we're stuck with a series of bad faith, polarizing and disingenuous views that "suck the oxygen out of" actual wide-ranging thinking - IE, climate denialists can still get a lot of money, anti-vaxers can pull in a lot of money from scams, etc.