> However, I can't help but take exception to Vivado and SOLIDWORKS being good software... While powerful, they are both incredibly buggy and prone to crashing if you so much as look at them wrong.

That hasn't been my experience. Solidworks definitely isn't as responsive as I'd like, but frankly I'll take "a bit sluggish but has all the major features and is not a UX disaster" over something like FreeCAD or Yosys.