Or just use a gasket like subaru’s did/do. I had frameless doors in ~2000 with no electronics required.

Clients looking to rent data center space still like to see pretty spaces in their giant concrete boxes. So on a campus there is usually one of the builds that has something prettier for the front admin section.

But square footage is money, so it’s much smaller.

They actually go for LEED certification for their spaces a lot of times. So they get an energy efficiency badge for a building that uses the total power of a ~3500 homes (in the builds I have seen) 24/7/365.

Or they simply didn’t opt for the bullet protection addon when they purchased their tickets.