> I understand that the 'updating the part of the page that's changed' functionality is now dramatically slower, more unresponsive, and less reliable than the 'reload the entire thing' approach was, and it feels like browsing the site via Citrix over dial-up half the time, but look, sacrifices have to be made in the name of making things better even if the sacrifice is that things get worse instead.

I don't think they were being serious.