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.
Oh whoops I accidentally built an entire ad portal and placed it onto the main page and oh no I accidentally passed it through multiple levels of code review QA and approval, then crap I deployed it to the test environment then prod