The category that I would vote is wanting to learn how to do them. Need a few things before I start learning them, bench with vice to hold the wood, dovetail saw, sharpening gear, decent chisels, fret saw. Basically everyone needed to do them.
I tried making some through dovetails by hand. Actually got a few to fit together.
Decided by the time I was skilled at making them I could have made dozens of projects with a dovetail jig. So I bought all the Keller jigs which are essentially the same just different sizes and using different size bits..
The Keller jigs made through dovetails easy peasy. I made lots of tackle boxes and tool boxes and jewelry boxes with those jigs. Paid for my investment many times over and I sold them for as much as I originally paid. Great tools and easy to set up and use.