You must be inexperienced and/or naive. No firm is going force its engineers to migrate to a different package (open source or otherwise), the cost of relearning everything is simply too high. This was true in the 90s as well.

The case for hobbyists is a bit different as they're often more willing to try something like FreeCAD that's missing a bunch of features or makes them far more tedious to implement. Try dealing with parameters in FreeCAD. Or, better yet, recreate this:

https://www.youtube.com/watch?v=pj9Sc5PPTnU