Go: no generics, the community is small, Go allows you to use functions as data (to some extent), but doesn't take advantage of this to the extent that it could

Go: no generics, the community is small, Go allows you to use functions as data (to some extent), but doesn't take advantage of this to the extent that it could. I'm relatively new to the language, so my observations may either be incorrect or not include the full picture. If anyone has anything to chime in or, I'd love to hear.