I hate replying with an XKCD, but https://xkcd.com/1053/ https://xkcd.com/1053/ The OP didn't even state they're "discovering [it] in 2018", at all. And even i

I hate replying with an XKCD, but https://xkcd.com/1053/ https://xkcd.com/1053/ The OP didn't even state they're "discovering [it] in 2018", at all. And even if they did, so what? What is the point that you're trying to make -- that you're a better developer because you knew something they didn't?