I don't know if it's fair to blame laziness. Acting in haste, maybe? A ternary implementation for something that intuitively seems like a binary choice is a little... well.. unintuitive. That said, when building an application of significant scale, yeah, you should probably read the documentation of anything you aren't familiar with.
Reading the documentation is important, but tests are even more so. A simple test running with a bad certificate would have caught a lot of these issues. Small devs often push out software without having much time to read docs or make tests, but these are big players with lots of resources, and real money at stake.
