Science isn't about what's fair, it's about what the evidence tells us. The fact that, in spite of no evidence whatsoever, Bigfoot stories, books and TV shows have escalated tremendously over the past 20 years, supports the claim you're objecting to.
> There are likely to be more reasonable cryptozooloigists that disregard discredited evidence, and would happily admit to hoaxes in this area.
Those aren't cryptozoologists, at least not gainfully employed ones. It's sort of like psychologists who know talk therapy is a waste of time -- they may still be psychologists, but they're not making a living at psychology.
> You do need to use smear tactics if you want to create outrage.
The article didn't need to use smear tactics, and it didn't use smear tactics -- it used evidence.