Do you think I may have overreacted?

This guy and I hit it off really well, and I think we both enjoyed talking to each other. However, I noticed I was always the one starting conversations. When I asked him why, he said he doesn’t reach out much because he feels like people don’t like him. He promised to make more of an effort, but then he took three days to message me.

I immediately told him I wasn’t going to deal with inconsistency, but now I’m wondering if I overreacted. Maybe his lack of initiative comes from insecurity rather than a lack of interest. At the same time, I’m not sure I want to be with someone whose self-doubt is so overwhelming that it affects our communication.
Do you think I may have overreacted?
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