No one likes narrow streets, and I never said they did. OP (and I) are telling you that narrow streets increase a cities walkability. This is why, as I said before, you are conflating two concepts.

I think you're conflating "what do I like" with "what elements of urban planning promote pedestrianism vs. car use".

These are basically irrefutable principles of building a walkable city. The only alternative is to essentially build large thoroughfares but not allow cars to use them. This is really great, and of course everyone would love it, but it's also a terrible optimization of land use and that space is incredibly valuable.

To put it simply, narrow streets are more inconvenient for cars and increase the density of housing, shops, restaurants etc. More density means less distance to travel for essential goods and services. When planning a "walkable" city, the goal is not to avoid large crowds of pedestrians.