If it is so easy to fix, then why doesn't Google fix it? So far they've spent more effort in spreading knowledge about the vulnerability than fixing it, so I don't agree with your assessment that Google is not actively making the world worse here.
I didn't say it was easy to fix. I said a publication made it easy to find it, if someone wanted to fix something.
If you want to fix up old codecs in ffmpeg for fun, would you rather have a list of known broken codecs and what they're doing wrong; or would you rather have to find a broken codec first.