You're presuming that these users would have a product, even if it took several times longer for the developers to build. That isn't always (or maybe even often) true.
There are tradeoffs to be made; being absolutist about it isn't helpful.
> I think there's already more than enough quantity
That's just not true though. People need so much software, I've written more than one mediocre electron app for niche use cases that saved users multiple hours a week of mind-numbing work. That software that they're so happy to have in their lives would still not exist if it weren't for electron.
There are tradeoffs to be made; being absolutist about it isn't helpful.