You’re not responding to the article.

> BSP is just outdated and limiting

- In quake brushes are not just visual, but are also used to solve collisions. Without brushes you need separate “collision meshes”.

- brush based editors are much faster for prototyping space shapes. Art can always be improved later and is even outsourced. Gameplay is harder to get right.

- brushes are easier to reason about in processing for auto generating UV coordinates and light mapping

> just make smaller models and combine them in creative ways

This is a cost saving choice, not a better game choice.

What games do you want to play? The ones where the space is tailor made? Or the ones with a lot of copy paste?

Also if you look at the spaces in the article, they don’t have a lot of clutter anyway.