"strong incentives to focus on moving the state of the art forward without expending energy on improving the field as a whole"
That sort of Orwellian doublethink is exactly the problem. They need to move it forward without improving it, contribute without adding anything, challenge accepted dogma without rocking the boat, and...blech!
You must create paradigm shifts without challenging the current paradigm!
[0] https://www.scientificamerican.com/article/katalin-karikos-n...
[1] https://www.globalperformanceinsights.com/post/how-a-rejecte...