Around the age of six all children are going off to school. Children move from explorative play, which is fairly informal to a much more formal day. That can be a lengthy day and it's quite structured. There are a lot of challenges faced by children with cerebral palsy throughout the school year.
Every educator needs to make a decision about technology they need to put in place. They're not sure if they should put Option A in place or Option B in place. This can be particularly difficult in the world of disabilities because there might not always be a perfect answer. Teachers can look to this solution, using the least dangerous assumption to make good decisions about what technology might be best.
When you don't have enough evidence about a student's performance, assume they can do whatever you're asking them to do.