Great graphics alone do not a good game make
Most people can't tell the difference between 720p and 1080p. Especially if the textures are really high in detail. So whether they end up setting the game to 900p or something just to get 60fps then there is not really a problem.
As for being underpowered thats just nonsense. Its just a new console and they just need to fully explore ways to get the most out of the system.