Soooo you are telling me that we still haven't fully understood something as fundamental as lightning and it's still an active area of research...
It is cool that something so seemingly ordinary is extraordinary.
Never mind this kind of lightning, it gets really interesting when we start to look at ball lightning, which is very real but rarely sighted.
Not to be flip, but, depending on what "fully" means, we haven't fully understood much of anything about the real world.
We don't even have an accurate mathematical description of how a single water molecule works.
We have so much scientific work to do.