Do you ever wonder if parroting the thing they tell you to say without adding any context or justification might have negative consequences for you in the future or just make you look dumb in public? Even good faith people agreeing with the premise here aren't going to value a mindless dismissal.
Do you have any thoughts on why that might be or any times you haven't seen that to be true?
The federal government has been trying this approach for a number of years, and it doesn't seem to make it more efficient or mobile. Justl ook at the state of it's digital services, they are stuck in 2005, at best.
Thats before you talk about the IRS. Virtually everywhere else most tax on wage is automatic, where filings are the exception.