It's a form of protest, thus not seen as a waste of time by those doing it.

Perhaps somebody could make unflaggable CSAM images by giving them the same hashes as very widely available images.

Or you could identify the factors that cause a hash to be computed and then start generating random images that compute to the same hash, creating 10s of thousands of images of digital noise that all look alike to the computer.

>>Ok, but… how do I profit?

To some people the ethical problems with this system are worth the effort to make their implementation impossible.

if you are asking for monetary profit, that does not have to be a goal for someone to want to engage in disruption of this service.

> but why would I?

For the lulz.