Because that’s what Naruto show is all about. The parallels between characters. Three legendary Sannin, Team 7 of Minato, everything is just mixed together or has happened before
That's true but the Big Difference it's Rin Loves Kakashi And Care and Love Obito like a Real Friend!! She never Bullied or Physically Hurt Obito Like Sukura Did to Naruto!! Rin was Always Sweet to Obito!! Like Hinata was to Naruto!! That was the Huge Difference!!