As I said, I think reasonable people can disagree about it, but I think they are demanding that the wall have a shape like &quot;this data will be displayed back to you while you work on it and to your teacher during the grading period and otherwise it will not be used,&quot; whereas many people are totally happy for the wall to be &quot;we will use this data to help you learn and allow your teacher to evaluate your progress.&quot; Lots of people object to advertising to kids, not so many people object to building a better word processor or kids-oriented theorem prover or whatever, including ideas that haven&#x27;t been thought about yet but are (in the developer&#x27;s honest opinion) wholly motivated by the purpose of education.<p>EFF basically doesn&#x27;t trust a cloud software company to have any discretion, but I think most people are willing to take an informed risk when they entrust their data to someone else&#x27;s instructions or computational resources; otherwise they&#x27;d write the software themselves and run it on their own device and so forth.