And both are simple products available in free variants serving non-overlapping purposes. Solidworks is just a random and insignificant piece of proprietary so

And both are simple products available in free variants serving non-overlapping purposes. Solidworks is just a random and insignificant piece of proprietary software. Its core component isn't even original, but relicensed Siemens tech. It's popular because it's popular, nothing else. (Plus, anyone can throw together a jet engine with a welding station from aliexpress and a few car spare parts. Now, if you had said space rocket, it would have meant something, but that's an insignificant percentage of CAD usage.)