They have the right to privacy when they are following the law. On the other hand, if police enforcement have a legal warrant to read internal documents about how you run your business, to prevent employees from being exploited, they absolute should get access to it.

I understand having a process in place to be able to hide data from criminals stealing your data, that's not a problem. The problem becomes when companies start to hide data from legal requests, which is what Uber is in the hot for here.

People have rights because they are humans. Companies aren’t, and as such don’t inherently deserve any rights. They are granted some rights where it’s beneficial to the society, or because of corruption (often legalized as lobbying).