You pay the investigator whether they find fault against you or not. It's not like they're incentivized to find no wrongdoing at all just because they're being paid. That would actively work against their credibility and long-term survival as a business
Also don't forget that people don't like housing built near them because it "drives down housing prices." Homeowners themselves are more a problem than corporations are.
There a huge difference between parents making a child do something, with basically no legal repercussions if they don't, and the government forcing an adult to do something against their will at the threat of prison.
.... The comparison, here, is WhatsApp, so
Besides, surprisingly people like cross-device sync even if they happen to not have access to their old devices