It's also why these kinds of discussions mostly happen around 5e. 5e is the biggest fish in the pond, and it's not close. So it means a lot more that 5e match one's views than Blades in the Dark does, because 5e has more clout. It's more validating if 1000 people agree with you, than if 50 people do.
Yeah, it's whatever the current version of D&D is. All of the editions of D&D are perfectly fine games that are still playable. But, no. What matters is that the latest version reflects what they want.