There's a difference between faking it til you make it, and being utterly and completely full of BS. The former is a coping mechanism for navigating both the professional world and awkward social interactions, while the latter just makes you an agent of chaos and in many cases a liar and manipulator.
It's far easier to spot BS when you're consistently inundated with it, and the internet is chock full of people talking out of their backend or straight-up lying. This means, for every person lying or manipulating online, there's a match ready to expose them.
Here are just a few examples of people getting called out for their BS online for anyone who needs a delicious dose of schadenfreude.