Both very fair.
The “sundering” makes me mad because it just…isn’t honest. It’s a retcon that desperately insists it isn’t.
That, and Tymanther is cool, Genasi had several cool places in the setting, earthmotes were cool, Myth Drannor being a place you could live was cool.
My FR campaign revolves around Shadovar Netheril as an antagonistic force, and they didn’t just yeet them, They balefired them out of existence so hard you can’t find a Netherese refugee anywhere in Faerun, somehow. No, they all just…stopped being Netherese, and the non-floating cities sank back into the sand, and the phaerim came back (not as something to fight, just as a retcon tool) to turn it back into desert again, and the continent in 1495 or whatever is just…magically completely unaffected by the last 130 years of history. Overnight.
Absolute garbage. Even if I hated the 4e realms, I’d have a hard time looking at all that and thinking FR in 5e is anything but a sad joke.