I think Xi is counting on the west to be too distracted by Ukraine and Israel to effectively support Taiwan.
Also, speculation on my part - but this feels like the usual posturing/distraction playbook. China’s economy isn’t doing so hot and the government’s bungling of COVID is still fresh in everyone’s minds, so what better way to make people forget about that than to saber rattle?
Yeah, angrily jabbing a phone screen realllllyyyy does not have the same satisfaction whatsoever.