Why don't datacenters have passive rooflines like Net Zero homes?

Question

E.g. the "shed roof" is a passive roofline?

westurner · Accepted Answer

And other questions: "Ask HN: Does mounting servers parallel with the temperature gradient trap heat?" (2020) https://news.ycombinator.com/item?id=23033210

cratermoon · Answer

Do you have any examples of the kind of datacenter roofs you think are problematic?