Powerful entities have always been able to hire VFX artists. Preferably fresh out of film school for 20% above industry wage and a sense of purpose. For the rest of us there's Fiverr. Some guy in Indonesia is unlikely to investigate whether he's editing part of a prank video or fabricating evidence.

Fabricating video absolutely became easier. But it's not so much about your video skills, you can buy those. It's about your organization and planning skills. Even a hilariously incompetent and unorganized entity with a lack of foresight can now fabricate reasonably convincing video