I signed up. Already saw people complaining that they tried to scam people with the questions they were asking.
Just another normal day in crypto then. Some people will never be happy no matter what they do. Beta testing is a great idea, there will be far more moaning if we have another launch disaster. I did not see anything on that form that is irrelevant or intrusive. They want to pick from different age groups and different levels of experience I expect. Different model phones will be the big one. I have a Galaxy S8+ myself.