1. No need to replace Reddit specifically. People just use whatever works for them. 2. Hosting forums can be very very very cumbersome. It takes lots of man-ho

1. No need to replace Reddit specifically. People just use whatever works for them. 2. Hosting forums can be very very very cumbersome. It takes lots of man-hour to operate a service and moderate the community on it. 3. Hosting is very cheap. What's better? A 1GbE/10GbE connection at home can host a moderately sized community.