10 years ago people said the same about KiCAD and Blender :) No guarantee that FreeCAD will be the same - but you can be pretty confident it will never go away.

10 years ago people said the same about KiCAD and Blender :) No guarantee that FreeCAD will be the same - but you can be pretty confident it will never go away. However, if the goal is to be a full time employee doing CAD, I would of course going with one of the most established tools. Potentially even get some certifications.