I'm going to be very annoyed if Bungie listens to the hardcore communities whinging about Raids not being the conclusions to the main campaigns story. They weren't in Destiny 1 and they haven't been in Destiny 2 and that's a good thing. Only a fraction of the players who finish the campaign do the Raid, that's a lot of people who wouldn't get to finish the story.
I think the main problem is because normal is ridiculously easy to the point its a cakewalk and then Heroic is a huge leap in difficulty. A simple hard mode across most of the game would be VERY appreciated, would much prefer to play Story/Adventures/Lost Sectors with a bit of challenge where I don't feel like I can just walk through it but also not too sweaty like the new Heroic.