It's much easier to find a country or jurisdiction that doesn't care about a bunch of data centers vs launching them into space.
I don't get why we aren't building mixed use buildings, maybe the first floor can be retail and restaurants, the next two floors can be data centers, and then above that apartments.
Probably for the same reasons they aren't doing mixed use prison and restaurant buildings.
In Switzerland infomaniak built a data center under apartments and DC heat is used for heating. There are some videos about it.