This is what merging should look like:
This is what Portland merging looks like:
These people's faces = what people in Portland actually look like when they're driving.
The people in the video's inability to fix the zipper = how Portland drivers perform when attempting the zipper merge.
The weird feeling you got from watching the second video is exactly how I feel when I watch people drive here. I'd find a video that's comparable to this city's ability to parallel park, but I'm afraid that it might cause gaping retinal holes.*
*potential band name: Zipper Merge and the Gaping Retinal Holes.