It's what's popular right now so every authors do a copy of a copy. Only by following the trends will help them have more recognition and perhaps earn money too
Like they have 0 chapters, or it’s a phantom update? If it’s a phantom it’s most likely someone edited a chapter/ removed or added a previous one so it won’t usually show as new but will notify you.
Why is every Isekai, reincarnation story about a daughter of king, duke, noble, rich man being lost.?
It's what's popular right now so every authors do a copy of a copy. Only by following the trends will help them have more recognition and perhaps earn money too