What you meant is clear to you. It's not clear to other people. You can chose to ignore them - maybe the people who misread the tweet are a small minority. Or you can chose to think about communication style and whether more people had the same "uncharitable" interpretation.

For what it's worth I lean more to the uncharitable reading of the tweet, although I'm not as firm about that reading as others appear to be.

Tweets for communication are hard so it's not particularly suprising when what you say and what you think you say doesn't match what other people think you said.