Learning-wise it's a good idea - all kinds of routing, gain staging, mixing & fx concepts are probably easier to grasp when you're handling actual devices and cables. Come to think of it, I think it isn't even necessarily about analog as such, but rather using hardware.
That said...I really doubt many people are gonna go down this route. It's not like you can't learn the same stuff in a DAW environment, and it's probably ten times cheaper to get up & running. A lot of us end up with hybrid setups in the end. I'm old enough to have gone through from all hardware, to all software, to having a bit of both. All analog is nice when everything is working and connected, but it's a pain in the ass to set up & keep that way - plus if you want to go all in & also record & mix in analog, it's gonna be expensive.