Should I stop talking to him or did I overreact?

Is he hurt or he just doesn’t care and is rude?

I have so far only chatted with him on instagram. Before we had long conversations and he seemed to like to chat with me.
Sometimes it takes him a while to reply to my text like 22 hours and sometimes he replies a lot more quickly. It started to annoy me. Also it started to annoy me to just chat on instagram and not exchange numbers or meet. So I decided to text him this during our conversation just to see his reaction:

After his slow response ( tbh my message was more like a statement and it didn’t require an aswer but I was mad it took him almost a day to open my message)

I sent him this ” I don't know if you agree, but this chat thread is starting to become too long”

Then he replied”. Hmm I hadn’t paid attention to it, but yeah it’s starting to look too long”

I just left him on read.

some guy said that could actually be a hint that he wants to meet or something since he agreed with me.
Should I stop talking to him or did I overreact?
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