Simpler for who? It's not simpler for the vast bulk of people whose only significant income is from their employer. It's not simpler for the tax authorities eit

Simpler for who? It's not simpler for the vast bulk of people whose only significant income is from their employer. It's not simpler for the tax authorities either, who now have to process a lot more tax returns rather than just doing something more straightforward for the common-case.