There's no real reason for people to imagine every third person action adventure game starring an adventurer is an 'uncharted clone'.
Unless you're coming from an alternate dimension, no, we haven't seen Hellblade gameplay many times. And there are many unanswered questions for people looking for indications on the game's scope, combat improvements and generally the new changes an AAA budget has brought to the title.
You don't understand how a game mid development can look better when development is complete?
People like RPGs. Obsidian have a good to great track record, so there's a number of people looking to see an improved outing for the game
4 AAA games being shown from 4 talented studios. All coming to GP in 2024. Good to get a new look at games you could be playing.
Might as well ask why anyone is hyped about gaming.