He’s a hyper partisan political hack who commited perjury and likely sexually assaulted people, and screams and cries like a baby when he doesn’t get his way.
John Roberts, Samuel Alito, and Neil Gorsuch are very conservative, but all are not so nakedly partisan and haven’t had any allegations of misconduct like Kavanaugh. Clarence Thomas has, but even he isn’t as bad as Kavanaugh.
The only reason Trump nominated Kavanaugh is because he’s possibly the only judge in the country that’s extremely conservative, hyper partisan, and beleives the sitting president can’t be indicted.