Earlier quoted context omitted.
If you have ever used LTSpice you'd know, the "old" looking layout is not really a problem but the arcane way anything is done, different from every app I ever used.
I jump from altium to kicad to solidworks multiple times a day but the most annoying jump is when I go to ltspice and go, why is move bound to F7. I stopped even bothering to try to use hotkeys on LTspice.
I'd probably pay if it was just simple to import 3rd party models, even if they're encrypted. Every time I have to screw around with some encrypted model I worry about whether it's going to end up accurate.