I think we had a 9th planet issue a long time ago, but it was about 5-6 years ago that there was a 10th planet issue. I think it was more the definition of planet, but it certainly got the kids fired up.
There's definitely lots of "bad code" out there, but a lot of that is opinion. If something works well for you, then is it "bad code". Often bad code works as well as good code. Might be easier to define this in the Programming world than anywhere else.
In the rest of the world, hard to know what to believe anymore. After finding out coffee was bad for me, then good for me, then bad for me, I give up. I like my coffee 😉