This article makes no effort to see if the bug is also replicated on tweets by non-left or non political. There is scant evidence to support the idea that this

This article makes no effort to see if the bug is also replicated on tweets by non-left or non political. There is scant evidence to support the idea that this is more than a bug. If a hard to fix bug is going to occur, of course you can expect that it might appear on tweets with many replies. Is there something more I am missing?