Tax accountants/CPAs rely on the government. Company accountants rely on the company doing well to keep them employed.
Company accountants rely on the company doing well to keep them employed.
And if the Federal tax system was abolished, it would decimate their career path. Same with the tax attorneys.
And they have a strong lobby.
It would take catastrophic changes to our country happening in an extremely short time frame to see any real change to the tax system. Any change to do away with it will not be voluntary.