Variables/Data Sets is the LEAST intuitive process in Photoshop?

I've used this features 3 times a year for a decade.
EVERY TIME it baffles me.
I did coding at college and have worked in/around tech all my life, but the ability to map simple data sets to a file an output it reminds me of text driven computer games.
HOW is Adobe running around, lauding its Ai - while processes like this still need 'salt thrown over the left shoulder' and the 'Wind to be blowing from the East'.

I won't get into the 'output naming' limitations. 

Rant over...

Does anyone from Adobe ever read these posts?

I really think they should work on this are a- it can be a useful time-saving tool - when it decides to 'play ball'.