This article does a lot to explain the value of vertical specialization: https://www.newyorker.com/magazine/2018/11/12/why-doctors-hate-their-computers
It's around 8k words, so I'll circle back in a few days with my thoughts on why it's enlightening.
Yes, I just implicitly assigned you homework.
No, you don't actually have to do it. This is an email list, not grade school. :)
It will go on your permanent record, though. Whether you click that link, I mean.
And I hate that.
I asked ConvertKit if they could disable all link tracking for my email list. They said they have other product priorities.
Anyway, I'll pull out some excerpts from the above article and discuss with you in a few days. It's really good stuff.