Just want to vent for a moment, because the author seems to genuinely think that people displaying vulnerability and disclosing their impostor syndrome to you is some sort of humblebrag? You don’t need to sus out some sort of hidden meaning here: the person doesn’t feel comfortable in their current environment and is probably seeking support and validation. There are surely some among us who are “faking” it, but that…
“Imposter syndrome” is fundamentally a humblebrag as the implicit notion is that your worthiness is so obvious and the system which privileged you is so righteous as to make any doubts some sort of disorder. I’ll see people being like “I have imposter syndrome being in an Ivy League school/elite job/etc” and the idea that they could be gasp merely average and just overrated is so preposterous as to warrant immediate…
I'd recommend focusing on what people say and do instead of what you see with your own biases.