1. Bitcoin isn't anonymous.
 - What happens when you need legitimate Fiat? You have to cash it out but where...? On an exchange and a lot more of them are requiring personal information to verify who you are.
 
2. Why would anyone potentially want to accept something so volatile inherently in nature?

I don't know if you are just foolish, high, drunk, or just don't know what is going on in general.  

Are you one of those people who lurks this forum and searches for deep web users just to arrest them afterwards? Not sure if someone would even answer your question given that many people have already been arrested due to answering such stupid questions like this. :p