That XKCD doesn't really apply here since you could have easily asked for an explanation without the snark in the first place. There's also a difference between making fun of someone for not knowing something and choosing not to engage with them.

> That was probably a better call than trying to introduce a new term and a new hashing algorithm at the same time; but it's also asking for the exact long-term confusion you're complaining about here

To be fair, besides a basic search for information on the subject, this was also covered in the linked article...