He's spot-on with how your writing comes across. He errs in telling you what you're thinking or feeling while you're writing it, but his analysis of the conveyed mood is objectively correct. If you don't trust his assessment, go ask a LLM.

GPT3.5 tells me, when asked to analyze the tone of the text, "The mention of "weak dependent life" and the sarcastic remark about waiting implies a sense of superiority or mockery towards the other person's viewpoint. Overall, the tone is critical and taunting."

If you don't mean to come across this way, you need to phrase your comments differently. If you do mean to come across this way, why not own up to it rather than saying it's "on you" when someone correctly discerns the critical and taunting tone?