Using Mongo DB for Multi-Object Transactions

A lot of this stuff can be handled without database transactions, but then you're putting all the onus on the application developer to do this stuff right. And if you're spending all your time trying to write all this edge level code, hey, what if this happens? Then you're not focusing on your core product and the code becomes really nasty too,. Like, instead of solving the business problem, you're solving errors.