Binary formats are generally poorly defined, buggy as hell and have limited tooling that can deal with them. Also, they're not human readable so when you inevit

Binary formats are generally poorly defined, buggy as hell and have limited tooling that can deal with them. Also, they're not human readable so when you inevitably hit a problem with a binary format, you can't just eyeball it to see that you've got an "O'Connor" in the names.