Reddit was great, but not because of third party apps, not because of quality moderators, not because of the development or corporate oversight ... Reddit was great because of the content. Everything else was how that content was handled to create a great user experience. If there's no content to handle, there's no Reddit.
So, if Kbin is going to work and take off, it needs content to handle. Content for moderators to moderate, apps to display, developers to create for. I basically just lurked on Reddit for the past 5 years because there was plenty of content and I didn't need to contribute, but if Kbin is going to succeed, those who want a change need to contribute.
And by that I mean more than just coming to /m/RedditMigration to morn or grieve or track what Reddit is doing. Find that magazine that you want to flourish and contribute (even if it means reposting from Reddit). Give everyone who is visiting and trying things out a reason to stay and comment.
ELI5: when electricity moves, it creates an area around it that pushes on things nearby, and that makes those things move. Some things are more sensitive to that electric force than others, which is called magnetism. It's an invisible force though, just like how you can't see gravity. When something that is magnetic is near electricity, they react to each other and that causes things to move, or glow, or heat up, and other stuff.
Beyond 5:
Most people have electricity explained using the water analogy. That is that electrons flowing through a wire are analogous to water flowing through a pipe. More conductive or larger wires are like having a bigger pipe. More flow equals more electricity, which equals more power.
This isn't quite right. The flow of electrons doesn't create any power. The flow of charged particles creates electromagnetic fields. These fields result in a physical force on objects that are responsive to those fields. Think of it like gravity. Gravitational fields affect matter with mass, and electromagnetic fields affect matter through an inherent magnetic quality. So, the electrons don't actually push on anything, they create an electromagnetic field, and that creates a physical force.
Veritasium does a pretty good job of explain these in better detail with these two videos. Tiny Magnet (https://www.youtube.com/watch?v=hFAOXdXZ5TM&ab_channel=minutephysics) & Electricity Misconception (https://www.youtube.com/watch?v=bHIhgxav9LY&ab_channel=Veritasium)