Frieza As An Overused Fanservice Dragon Ball Villain?

It's no secret that I purposely skipped watching Dragon Ball Super nor do I intend to rewatch all the Dragon Ball episodes. My argument is usually because it's gone too long and it can be easy to get lost. I'd like to focus on how Frieza became a fanservice villain because of his popularity. True, there can be moments when Frieza is often pitted against his Movie Only brother Cooler whose fifth form is theoretically more powerful. However, one can't argue that Frieza has become a fanservice villain throughout the years. Frieza was finally defeated during the Namek Saga. What happened next was that Frieza became a fanservice of sorts. Cameos here, cameos there. It seems Frieza was simply given cameos because of how popular the villain has become. Frieza's popularity might be why he also made non-canon movie appearances. Cooler's own concept was already a contradiction of sorts. The events in Cooler's Revenge and Return of Cooler can't fit in. Cooler is...