That’s probably as https://www.thethingsnetwork.org/gateway-data/gateway/eui-58a0cbfffe800ee0 shows no coordinates*. (Of course, still not okay, unless those have been set to be private.)
Aside, the Kickstarter The Things Gateway has its coordinates missing in the uplink metadata since May 11th, but gateway-data/gateway/id still includes those†.
Are all new troublesome gateways TTIGs?
*) or: no "country_code"
†) and also "country_code"