Looked like an intern I had years ago....heh, so that is where she went? No wonderwe hadn't heard about her.
I would say it's because the isekai genre has shifted from braindead overpowered protagonist with a harem of helpful individuals to a semi-(in)competent anti-hero with a party that backstab him for one reason or other.
Src: Please don't bully me, Nagatoro Tip on how to tell which ginseng is the best: by it's posture Src: forgot where I took this picture from Src: Nekodamari Src: Tensei Oujo wa Kyou mo Hata o Tatakioru Src: I swear I won't bother you again Src: Maou no Hisho Src: Suddenly became a princess one day (Sadly, I didn't last more than a few chapters and got tired of it) Src: Eiyuu no musume to shite Umarekawatta Src: Cheat kusushi no slow life. Isekai ni Tsukurou Drugstore
the various Captains of Europe: There is. It's called: The negative hero and the chief of the demon army.