Source: https://xcancel.com/dshiatt/status/1840822267737162237
Obviously just damage control but they do seem to be “fixing it”. They must’ve accidentally implemented a feature to get and show image from the newest news post (which is often an ad), accidentally tested and vetted that feature, and accidentally pushed it.
Ah yes totally a bug, something specifically developed to show a very specific kind of content in a very specific location. Totally a bug.