1. every single character has a kid who is biologically their offspring
2. Haku and Zabusa might have been gay, but they died, and it was never confirmed that they were gay
3. you're correct, several characers who NEVER FUCKING MET, had kids together somehow
and finally yes, the ending of this series is Homophobic shit
even DBZ, as lacking in postive gay rep as it is, did not end with a conclusion where every man fucked a woman
Naruto is a special brand of terrible