Mount a dragon on a pike, mount a dragon on a wall....... :rofl:
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What is it about riding dragons that makes some people so excited?
To me it juts seems stupid...
Realistically, it's a pretty popular concept in fantasy & sci-fi. There are various novel series over the years about dragonriders (some better than others), there are games that have featured it, etc, etc, etc.
But, as with all ideas, it doesn't fit every setting / game / book..... trying to ride a dragon in, say, Middle Earth - that'd be assinine. Most universes where you can ride dragons, they're either friendly intelligent creatures who voluntarily partner with their riders; or they're only slightly intelligent predators that need to be raised from an egg by dedicated trainers, to have even a chance at riding one.
A world where they're rampaging cataclysmic forces heralding the upcoming End Of All Things?? Not going to ride the dragons. Sorry.