Oh, I think I finally get it. Sven doesn't recommend Dark Urge as a first playthrough because he assumes most people will want to play it because of the insane murderous psychopath route. I guess if you kill most of your companions, you're really missing out on a big part of the story, so it makes perfect sense. But if you don't plan on giving in to darkness, then Urge is definitely a better option than Tav, especially because of the extra content.
I understood it as "don't play that one first, it makes more fun when you see how it diverges from a more normal playthrough". Basically, Tav gives you the baseline experience, Origin characters give you specific backgrounds for your companions and Dark Urge has a diverging path. If you play an Origin before Tav, you kinda know how the Origin Character thinks.
If you play Dark Urge first you do not know how their path diverges and is different.
Honestly the argument seems semantic...it's like saying that if you go down the alley on the left you won't see what's down the alley on the right...but the same is true in reverse.
Yeah, I kinda agree. I noticed when I was typing the last line. I mean the origin thing makes sense, at least to me. But the Urge argument is ..flimsy. Unless, you actually have less choices as Dark Urge compared to Tav.
Basically, BG3 is made with Tav in mind. The Origins give you background and Dark Urge is a bonus "Path", which has less options because it differs very drastically.