It would be very useful if parents stop using the term "screen time." It is insulting and adversarial. It completely dismisses what your child is actually doing as if it doesn't matter at all. Playing a game is the same as watching a video. Watching one video is the same as watching any other video. What the child is actually doing is all lumped together as "screen time" as if what the child is really doing doesn't matter....
Change your approach. Instead of focusing on limiting it and explaining how it is bad, see it as a jumping-off point for all kinds of experiences and conversations! Unschooling is about supporting learning, not by limiting the child's access to what he/she loves, but by expanding a child's access to the world.
photo by Megan Valnes