It's not good enough. Most people use it in a custodial manner because it's so difficult to achieve by yourself. For others, you can see Seth for privacy. He does a lot of really good explanations on things like that. 

 Have you ever bought anything with monero? 

 Oh, all the time. I use Monero for purchases several times a month. 

 Every week pretty much. 

 Weed? 

 Find a monero directory site, and you'll see that what you can buy with Monero goes very far beyond buying vegetation! 

 Monerica?