Earlier quoted context omitted.
While I broadly agree with your point, rewarding seniority is at odds with rewarding people based on how good they are at their jobs, from the perspective of incentives. The two are not always correlated and this is often why some companies hire externally instead of promoting from within. That said, companies are often wrong to hire externally as they misattribute their problems to their employees instead of to thei…
Paying for equal performance on the measurable aspects of the job is easier to do than putting a value on institutional knowledge. As an old bird that has had time to internalize the tech stack, I can make one comment along the line of “Don’t do that, and here is why...” — getting that kind of contribution noticed and valued is harder. Parent comment is really saying to find a way to put a value on institutional know…
Person B did an unwise thing and spent the weekend working to fix the consequence.
If the problem was subtle and management didn't immediate corelate the action of Person B with the problem, they are likely to profusely praise Person B's working their asses off to save the company during the weekend.
On the flipside, if the company only contains A kind of people or if A people are too influential, it's likely that you'll stick in a local optimum where people are not incentivized to try out new things that may fail but may also succeed.