Compared to some of the antics we had with Direct Line, Admiral have been really good - not had any serious problems and when my wife crashed my car last year they looked after everything pretty well.
If you're an awful company, you surely need to make sure that your data is more accurate than the competition. It's like running an awful store, it's doable with prices low enough.
https://www.theguardian.com/technology/2016/nov/02/admiral-t...
Thankfully, facebook put a stop to it. But if they hadn't I'm certain it would have become a common practice.