Pretty much every Wii U port to Switch has been at least 50. I'm pretty sure all of Sony's PS3 to PS4 ports have launched at full price. Aside from games that are significantly older, I can't recall many remasters launching for cheaper. I'm sure there are some, but that's the exception.
You couldn't be more wrong.
Nathan Drake Collection was $60 for 3 games.
God of War III Remastered was $40.
MediEvil was $30.
The Last of Us Remastered was $50 (1 year old port with all DLCs included).
Quantic Dream Collection was $40 for 3 games.
3rd party remasters were cheaper as well.
Collections of Spyro, Crash, Bioshock, Assassin's Creed Ezio Collection included 3 games each for a maximum of $60 ($20 a game).
Metro, Batman Arkham, Assassin's Creed III, Borderlands, FFX/X-2, Marvel Ultimate Alliance included 2 games often below $60.
Single remasters were usually between $20 and $40 but pretty much every one of them had meaty DLCs that were included.