It is apparent that HN users do not comprehend how useful X is to normal and ordinary people who are not terminally online, and who are not "influencers" and are not "junkies" of social media.
X, and Facebook as well, are homes to companies, politicians, news outlets, government organs, and non-profit orgs. Any public service is going to have an X account to pump out announcements and updates about whatever is within their remit.
For example, you can follow local law enforcement agencies, local and national weather services, your senators and congresspeople, your health care providers, and much more. You can get urgent updates about traffic construction, accidents, and emergency response in your area. You can receive updates from your respresentatives in government, about their campaigns, about current issues and legislation, about good news and bad news.
The network effect here is strong. Even if all ordinary users and individuals decided to pack up, delete their X, and move to BlueSky or Mastodon, the official mouthpieces will stay on X and stay on Facebook. They will be there, and be available to the ordinary individuals. They'll be sending out updates to everyone who follows. That's the utility of X, and it's only become stronger and more robust over the past decade.
So it doesn't matter how the techies feel, it doesn't matter if there is no longer a viable "read-only mode" and it doesn't matter if you stay or if you leave, because the "normies" are there, the "normies" have legit accounts, and they're monitoring the accounts that have something to say to them.