I wonder if the most use cases today could justify flex as a default where `display:block` is a default and s/inline-block/inline-flex/ .. I often have an anxie

I wonder if the most use cases today could justify flex as a default where `display:block` is a default and s/inline-block/inline-flex/ .. I often have an anxiety of using too many flex elements. How many cases where there's a need to un-flex?