It is called mixed-media. There are no rules about which medium dominates other media in a piece of work. The words might easily be the most important part of the work.
But anything can be done badly...that fact does not negate the value of it being done effectively.
I like titles on photographs ...
Nothing wrong with ''The Clickin' Clackin' of the High Heel Shoes - Platform 9 3/4 - revisited'' , ''Making love to the milkmaid in early morning rain'' or ''Lying on the backseat of a '57 Chevrolet Corvette way down Little Prickly Pear Canyon Road'' ...
I don't like photographs titled ''untitled''