I can't answer for others but here are my personal reasons (in no particular order): 1. The community. Its better than anything I can find elsewhere at the mom

I can't answer for others but here are my personal reasons (in no particular order): 1. The community. Its better than anything I can find elsewhere at the moment for its size and diversity. 2. The content. This, like the answer above, is the same. 3. Engagement levels are decent. Please note that better does not mean best, it just means its better that anything else I can find.