RPGBOT uses the color coding scheme which has become common among Pathfinder build handbooks, which is simple to understand and easy to read at a glance. The Fairy can also cast Druidcraft, but I don’t think Druidcraft is especially useful.
That’s a huge asset for many builds, and between flight and Faerie Fire there’s a ton of room for optimization here. The Faerie’s innate spellcasting isn’t amazing, but it includes Faerie Fire, allows you to pick your spellcasting ability, and allows you to re-cast the spells using spell slots. The Fairy’s flight isn’t as good as that of the Aarakocra (which is faster) or the winged Tiefling (which can fly in medium armor), but flight is still extremely powerful.
Mechanically, the Fairy’s defining traits are flight and innate spellcasting. So they fit readily into a typical party without needing to introduce rules Into your head, the Fairy is Small (rather than Tiny like a pixie or a sprite)
( affiliate link), fits the pop-culture image of a generic fairy: basically a human with
