Same issue as with tax fraud. Governments prefers dealing with mistakes and small frauds they are cheap fast success, simple to detect, no lawyer to fight back, but the opposite for large frauds.
This was explain to me by an accountant when I wondered why they wanted to have me fix what felt like I significant errors, mean while a big corporation was in the news for what was clearly tax fraud but the government was dragging they feet about it.
This was explain to me by an accountant when I wondered why they wanted to have me fix what felt like I significant errors, mean while a big corporation was in the news for what was clearly tax fraud but the government was dragging they feet about it.