When you stake, you are using your own money to guarantee that transactions on a network will process successfully. If something happens and they don't, you lose that bag.
Staking is just a very stupid loan that you give out without having any real insight into the people who borrowed from you.
And it is not loan, it is a "stake".
An example of the mumbojumbo obvious fraud that is out there.
It has nothing to do with a company making money by producing useful products or services that has actual real world value.