It depends on the features of your software titles. Yet, I would comply with their request if I were you. I often give them one or more screen-capture videos voluntarily since I release cross-platform software titles at the same time. You should reply and say, "Sure. I'll be happy to comply."
I wonder if I can submit an appeal or replace that reviewer somehow.
I guarantee that your appeal will be rejected.
Topic:
App Store Distribution & Marketing
SubTopic:
App Review