The only reason why I think H has any use is because I ALWAYS prefer a fire attack just for the sake of going against steel types.
I HATE steel types with a passion and if it were up to me I would never use them because I think they are an asshole-ish typing, but if I don't run one, I am at a huge disadvantage... since they exist, I always have a random fire type move on a pokemon, such as Gengar with HP fire, or Sceptile. Fighting is neutral to skarm, bronzong, forry, and scizor, and then ground is neutral to scizor and forry, AND x0 against bronzong and skarm... Fire just seems to be the most safe choice, only really walled (steel wise) by heatran.