I believe those posts were made by people who only see main/faction quests worth doing.... And I also believe those people should shut up and start actually playing the game.
This.
Many of the side quests are more compelling and intricate then the main story line.
People believe that the side quests are just "go here, kill this" quests, as in other games.
Not here, they have stories of their own, just like the main quest, some side quests spanning a chain of quests that have you playing for 20-40 hours just for this specific quest chain.
And thats one of the near hundret out there.
This game is amazing and extremly deep, and if you play it right, following the war, doing some of the more interesting side quests, not all, and the main story line. it will take you atleast 200 hours of game time before you are done.
That people are even able to rush through the main story in 30h I must say is very dissapointing though.
I had hoped that even through a rush through, it would take atleast 75-100h.
That said: I did my first completion of Dark Souls in 80h. And then I was running through the second half of the story.
I saw people that completed it in 30h.
So my guess is, if I focus on the main story the way I like to play, which includes exploring, doing some alchemy, smithing etc, and NOT taking side quests, I still probably need around 75h to complete it. Im certain.
I just cant believe why you want to destroy a game for yourself by running through it.
I can understand for many titles out there, but not for TES and Skyrim.