In these comments there's a common pattern where some users argue that they do not agree that the submission was LLM written and they often focus on specific details to refute it (e.g em-dashes) and some users see the overall pattern clearly that it's totally obvious. For me it's a kind of smell, it's off putting and it's obvious. The article says to "trust your gut". But it's also something that comes with practice and time, it's not some innate thing. People may have better things to do than expend mental energy noticing patterns in a bunch of social media posts. The more I see it, the more I see it.
The take away I get is that it's okay to notice patterns and it's okay to not notice patterns. Remember that other people may be noticing patterns and associations in things that you might miss. Be charitable.
Far more interesting questions are:
1) If you cant see the patterns of LLM writing, does the idea that the thing you liked was written by LLM worry you?
2) If you can see the patterns clearly is the fact that it's LLM written worry you?
Because in our comments there's many who do not care that LLM's are writing content and theres many who do care. But are these correlated with those who can see the LLMs or who are blind to them?