I always try to raise awareness of the lack of real, reliable privacy controls on #Fediverse, just due to how the underlying system was designed.
You clearly know about this issue :) but so many users who aren't as tech savvy, and some who are, might assume the system is more secure than it really is.
Users need to know not to post anything on Fediverse that they wouldn't want public.
It seems to me very likely that the company is simply watching all that content going through, especially as it sounds like they have the resources to process it.