as a competitive player, this is entirely untrue. Charizard has an amazing physical move pool with access to both flare blitz and outrage, which have perfect coverage for each other. He also has dragon dance to boost his stats, another really good move. The comparison to Flareon is laughable. And the other charizard still has a huge weakness to stealth rock, even more than Ninetales, who might (depends on the meta) still outclass it. Lastly, there is a rumor going around that weather abilities got nerfed (now only last 5 turns, this is rumor though). I usually lurk but your comparison was really wrong.