Every IT person doesn't need to know about OpenBSD at all. Clickbait title.
I'm an IT person, know nothing about OpenBSD (except that it's an OS), and am doing just fine.
I'm an IT person, know nothing about OpenBSD (except that it's an OS), and am doing just fine.
If network ops is your bag, then yeah, maybe you "ought to" know about what's in the article.
Otherwise -- it's just pure FOMO-based clickbait.