Payroll taxes are notoriously regressive. The wealthy can easily dodge salary as capital gains. Even then payroll taxes usually have a cap at some value so the most you could collect from a person getting a 7 figure salary is .02% of the first 100k or whatever the cap is at.
The stiff working at autozone will pay .02% of his gross paycheck.
Scientology somehow managed to reach cult "escape velocity" and survive the death of its leader.