They got way ambitious with the interface (GUI). I didn’t understand how to do anything with it.

The user interface was an experiment in itself. It was a lot of python which was way too heavy for the machines delivered, it presented a new platform, and thus a barrier to entry to anyone in the field with general computer skills.

If it had have been delivered using the same Linux base with any number of off-the-shelf minimal window managers it would performed much faster, and the body of people who knew how to make software for it would have existed many of whom would have been happy to make what they needed.

Instead they got a "We've chosen this for you" of something that had not proven its worth.

I still think there's scope for educational systems in all parts of the world if they facilitated development of software that does things that the teachers ask for.

I'd love to see a grant program that gave schools money ear tagged for development on open source projects. The schools get to pay for things that they decide they would like, but it has the requirement that it has to be open source because if one school wanted it there's a chance another school will too. They can choose to pool resources and produce even better things.