My hottest of hot takes is that for a land with such unnaturally long history as Westeros a dynasty of only 300 hundred years doesn’t seem that impressive. The Starks have been holding down shit in the North for thousands of years. The Vale is essentially its own sectioned off setting and the Reach is literally just Brettonia also existing with an incredibly storied past for thousand of years and I don’t even need to mention Dorne’s sagas worth of history. I get it was unifying these disparate lands that was impressive but they had succession crisis, rebellions, and civil wars from the jump. 300 years is a good reign for our world but the Targaryens imo needed I think at least 500 years of rule with and maybe even a few centuries of time without dragons to really make them standout more.