I didn’t get much trying to read the wiki, but I did find a link to that other site 🤮 that goes into it from an entomology perspective, and I lived the response to the top comment

So by looking at that phylogenetic tree, I’ve come to understand that butterflies are just a subgroup of moths that we arbitrarily call butterflies?

Not being a biology nerd makes all that rather confusing lol, so the layman’s summary-as-a-question really helped me