It has nothing to do with his POV or even ego. It was an objectively true fact. GPUs in data centers do get more utilization than those used locally. That's all he was saying.
Also, a lot of things are true but what truths you choose to broadcast can tell us what you care about. E.g it's also true that we'd all be richer if sam altman shared is wealth with us, lets take a few seconds to think why he's not saying this truth, after all it's an objectively true fact.