I find block editors, and more generally visual languages great, or awful, depending on the application domain. Scratch is an example of a great fit. The Lego M

I find block editors, and more generally visual languages great, or awful, depending on the application domain. Scratch is an example of a great fit. The Lego Mindstorms environment is an example of a bad fit IMO. I'm not too sure what they should have proposed instead though.