Earlier quoted context omitted.
It's correct that Tweets can't be edited after a certain amount of time. But given how incorrect this information is, he should delete this tweet.
I wrote the tweet. Didn’t realize it’s would be posted here. I cannot edit tweets after it has replies (apparently by design). I added follow-up tweets, but seeing those are not read: I deleted the tweet. Here are numbers in context, not looking at stock-based comp: https://blog.pragmaticengineer.com/
> I cannot edit tweets after it has replies (apparently by design).
I think this is to counter a situation of people posting something adorable to get lots of likes/retweets leading to plenty of fan-out to millions of people's feeds, then replacing the content with something inflammatory.