When its promoters were lobbying for its passage they promised it would be a one percent tax on the super rich. During World War II it was put on all the workers and never removed.
Some have defeated the IRS in court when they get lucky enough to have a black-robed shyster with something approaching a conscience and a jury with a few actual brains who finally understand that when the IRS can’t answer “Where is the law that requires me to file?” then there must not be one. Search Joe Banister.
Millions have stopped filing. Of course the mainstream newswhores are kept from reporting on these things because of their own personal ideology or because, big surprise, they’re whores.