Ask what the goals are.
They're not, as far as i know, making money such that an unserved client request is a lost opportunity for income.
The stated goals of fostering rational conversations and sharing of knowledge are very likely better served by the implicit throttling of contentious subjects and breaking "news" that everyone wants to talk about all at once.
Had HN been lower latency through the last few days of "OpenAI" media spasms, they might well have collected thousands more comments. Was there much chance those would've added any information or insight to the debates?