While I think the 14,8 is a huge disappointment and a big let down for the Mac Pro line, on the order of the trashcan, it certainly has many great use cases.
I do think many many people will enjoy it and find great uses for it.
For example, if you only put in 1 16lane PCIe card, you can get some amazing PCIe4 SSD speeds with some large hard drive sizes in its (one useful) slot. Something you cannot do in the MacStudio. The hyper fast SSD speeds have lots and lots of uses in different fields. So there is zero doubt it's better than a Mac Studio, but, it really is more of a Mac Studio Pro and is not a real Mac Pro.
Of course there are more benefits than just the one above.
It's a bit of a weird thread. I think the 14,8 will be a very useful machine for many people. I don't foresee people having any difficulty in showing a lot of great use cases for it.