Are you autistic or retarded?
Since the fucking 80's, CGI has become a thing.
Local and corporate commercials use animations.
Cartoons and movies have utilized 3D
There are thousands of forums of people learning and producing content.
Autodesk gives their shit away for free for 3 years because it's still a functional business and Blender is straight up free
3d porn is a thing.
You don't play any modern video games. Shit, ever heard of the PlayStation? Xbox? Dreamcast? PC?
You can't be that under a rock. You managed to find yourself on a forum that is dedicated to 3D production.