Don't the Japanese get tired of reading the same isekai overpowered protagonist stories over and over again?
Dramas, K-dramas, telenovelas, reality TV, the endless romance mangas, Wuxia, all of Hallmark channel, etc... it's not a new thing.
Same thing; different plot.
What matters is the execution.
But man, a lot of these seem like they're making it up as they go.