[dumpsterdiver]

Life doesn't tend to churn out as a clearly distinguishable statistic. It's messy, and nuanced. So to counter your argument, I don't think that focusing on statistics is a meaningful pursuit in this regard. I think it would be more productive to acknowledge that humans are fallible, and require assistance when working alone. Humans are part of a system, and that system changes. Sometimes it is absolutely necessary to query those making the changes, because those changes have not yet been documented, or the available documentation is lacking.

[lumost]

In a senior role it's important to prioritize your time. If you are dedicating a lot of time to improve a junior's design while they ignore your guidance... you aren't their manager. This problem is compounded when you are a resource for 3+ dev teams, at any given time there will be projects which teams want to go their own way and it's not possible to right the ship without breaking eggs.