This happens when your people don't respect or like you.
If you had either of those you wouldn't be bullied by them.

The bullying will continue until morale improves!

If they were worthy of the position this wouldn't happen.

Subordinates can't fire these people, these are warning shots, next up frag 'em.

Is "upward bullying" just "receiving valid criticism"?

They get paid inordinately, they can pay for therapy and thicker skin, fuck 'em.

It appears the article is more interested in telling us upwards bullying exists, is bad and they should be supported when it happens without actually giving any examples of what the fuck they're talking about.

Looking at the Authors LinkedIn, it would appear this person is a nothing burger and should shut their fucking dickholster. (That's right Bruce, I'm upwards bullying you you fucking know-nothing no-real-job-having failson. Eat a dick)