The real Shining Force games (except the GBA port) are as good as it gets.
I'd except any poll to be missing entries that should be included and including some that aren't as worthy, but this list of franchises/series includes several that are comprised of only two (modern) games, while missing franchises like Wonderboy/Monster World, Fantasy Zone and Shining Force have many quality games that have stood the test of time.
Sega was epic for many years before they had a mainstream console or Sonic even existed. It's been their desire to cater to the mainstream instead of focusing on quality games that has weakened the brand.