Perhaps, but the point stands that the specific thing called “Tesla” was founded by these guys, and Musk went through quite some headaches to be retconned as a founder of that thing, so it’s on point to drive it home that he wasn’t even that.
Fair point that “Tesla” isn’t really the great brains behind the original core tech, but that’s not the feather in the cap that Musk was going for, so it’s a bit moot toward the end of undermining his status of “founder” of Tesla.