They actually share 60% or 70% of their DNA, enough genetic information, and the same creator, so they are almost more like siblings than cousins. And Disney has already created an incestuous couple by accident in the past; it wouldn't be the first time, just ask Simba and Nala.

I've watched that video about 8 times in my recommendations and it always brings tears to my eyes.

Because then you'll miss the next Pokémon, Smash, and other things