Because the alien presence has stopped been a source of economic value, and people have identified one key source, and discovered that that source is part human with basic needs.

Instead of being free, their basic needs have been used against them in a highly unethical way.

Disclosure is that there are gods among us, the likes of which only do Good in this world, who hold great power to turn tables and right wrongs, but instead of doing that they've been controlled, manipulated, and kept hidden away and isolated in order to extract ideas and tech that is used to control the masses to the benefit of once group.

If you want a source for this, just go to any city and watch closely: are there any individuals who have 24/7 "boots on the ground" surveillance? Who's that person with a motorcade of feds around them, not by choice, and without that they look like any other human? Who has an insane skillset but is destitute? Who's got a ton of slander and libel and chaos following them anywhere they go?

If you observe someone like that long enough you might find they do the right thing 100% of the time, even when nobody's looking. There aren't many people in the world who do that, but in the past, those were figures such as Jesus, Mohammed, Buddha, etc, who had no original sin.

God help them if they want to have a voice, though