Quote.
Some colleagues of mine use it, they often have to deal with geometry that gets corrupted after some edits, and remake the model from scratch everytime. Not a consistent workflow.
Say what you want about SU - it's inferences and speed still make it a nifty program, especially for extrusion based output. It's failures definitely exist in it's plugin UI.
Having said that - as soon as MoI gains some component type functions - I'm off!