This is the fallacy that's driving this -- the assumption that people have two choices about how to spend their time and energy: 1. "Fun" SO / SE questions. 2.

This is the fallacy that's driving this -- the assumption that people have two choices about how to spend their time and energy: 1. "Fun" SO / SE questions. 2. Serious SO /SE questions. Given this, of course you want to encourage people to choose Option 2 as much as possible. But there's also... 3. Do something else completely unrelated to SO / SE.