The software is free, but it looks like the trademark is not. So WordPress bans WP engine from some WordPress stuff b/c they aren’t technically WordPress. In other words, they’re free to use (and change) the software, but they can’t (or, rather, shouldn’t) use the name—according to WordPress. WP sues for usage anyway after they are barred from some event or something, but now WordPress is suing back, turning an unofficial dispute to a legal one.

It would probably have to be updated in each place it is used, and these articles are unlikely to be frequently updated. It’s only had that name for a few years.

Maxwell’s equations have already been rewritten into the Dirac equation. Magnetic monopoles are quantum weird and would not show up in undergrad textbooks regardless

The SM is half the puzzle. The other half being Einstein’s field equations (which, despite the beautiful notation, are just as complex). Also, I will note that there are some spherical chickens in this equation as well—like massless neutrinos.