I think an amigurumi tag would be very beneficial for sorting through questions when you're looking for specifically amigurumi related questions.
Examples of such questions:
1. What to use as amigurumi stuffing if you don't have access to poly stuffing?
2. Using human hair for amigurumi stuffing
3. Arguably this What is the difference between normal single crochet and single crochet into back loop only?
4. How can I cleanly finish and starts rows, using single crochet, in my pokeballs?
5. How can I do my Pokeball decreases so they appear tighter?