What gave Rise to Mysteries in drama-land?

Recently there has been a surge in murder mysteries, cheating scandal stories, and dramas in the drama sphere.

SKY Castle can be credited for the rise in these types of stories as it set the precedent for the industry how these mystery dramas can get popularity and love from the public. After SKY Castle it was ‘The World of Married who which followed the lot of a married couple who are broken through infidelity, violence, and scandals.

Both dramas were produced by JTBC. Now we are seeing a rise in these types of dramas with ‘Love: Marriage and Divorce’, ‘Penthouse’ and many more.  

Do you think these kinds of dramas are entertaining or just super clich├ęd and boring?