The wast majority of people out there have no mental capacity to imagine how data they post online and provide to various orgs could be and most likely eventually
will be used against them. This is evidenced by the continuing proliferation of dumb comments along the lines of "I am boring", "I am doing nothing wrong", etc.
There is a tremendous cognitive bias in play here. The idea that because most people around you don't weaponize certain types of information means no one anywhere will ever weaponize that information, even if it is globally and indefinitely available.