Ability to teach is going to be directly correlated with ability to maintain as a business. It's harder to hire people when the bar for learning the skill is higher.
The vast majority of software development is not hitting any kind of scaling or performance bottlenecks. So optimizing for simplicity isn't as crazy as you think.
I think python's start up time is going to correlate much more strongly with business success than whether Raymond's 12th slide in his 16th deck requires five minutes more time.
Nope, I've never had a project fail due to poor startup time. When it comes to the vast majority of projects, there is no scale so realistically a 5 second startup time is not even an issue for the business.
The vast majority of software development is not hitting any kind of scaling or performance bottlenecks. So optimizing for simplicity isn't as crazy as you think.