When people say "low effort" they usually mean to say "low-effort with no-value added".
Kardashian is a great case study as she can post valuable content with low effort. It is not valuable to you or me but it is demonstrably valuable to general public.
Due to your very hypocritical downvote-crusade against some accounts, which you maybe want to continue forever, you get some downvotes back. Best regards.