I ran Win10 Ent as a successor to Win7 Ult, because I needed Remote App capability.
I found that Win10 Ent won't update, assumedly because it needs a local Windows Update server.
Win10 Enterprise updates just fine for me against the public update servers.
That's a local install/config issue then, the product itself doesn't differentiate
The 1st version of LTSC was released 6 years ago, the latest was released 3 years ago, what's new about it?
I've been using LTSB/LTSC since 2016 as my daily driver, and it's been great.
I got rid of it and went back to pro, ran into some obscure DLL issue for a game that wasn't available when on ltsb. It was years ago. I spent hours trying to fix before reading I couldn't fix on ltsb. Fun times.