I mean that seems like a methodology that would run a heavy risk of sampling bias. This is literally people who have chosen to switch to software engineering, and who are currently software engineers.
The only way to make the sample better would be to also sample people who moved the other direction, but there haven't been nearly as many of those because software engineering jobs have been in much higher demand than other engineering positions.
What you certainly cannot do is sample people who have only experienced one field.
But yes, it's not meant to be a quantitative study, but there are a lot of very valuable insights in the blog posts.
You have to consider, most engineering disciplines learn how to program, but almost no one in a software engineering program learns how to design stuff.
And the jump from building academic programs in C/Matlab to building commercial software products is much smaller than the jump from having never used Fusion 360 to designing a commercial product.
Plus, there are many more resources out there for switching careers into software engineering. With CAD, you're kind of stuck with YouTube videos and the odd online course for foundational material.
