I've got seinheisser 598 that are quite good, but I understood seinheisser to have been bought and maybe quality went down. I also have byerdynamic 990s that I find uncomfortable for longer periods.
I also have hifiman sundara that are (except for the cable) far and above the best headphones I've ever had both in comfort and sound.
There's a person on the bapcsales Canada reddit called lifelongcaboose who seems to really know their headphones that recommended them
I'm not sure your theory stands up, they did all those comics around TF2. They hired those old man Murray dudes I thought just to work on narrative. They've gotten famous actors to do roles!
I think saying halflife was never about story is just wrong.
If you stripped dialog from portal you'd have a significantly worse game. Did you forget all the glados shit that came out after portal? Humor is a major part of those games which is all about dialog.