I'm curious about people who engage in this behavior: what would happen if I do not respond to your non-starter? What would be the message you eventually recei

I'm curious about people who engage in this behavior: what would happen if I do not respond to your non-starter? What would be the message you eventually receive about my behavior? And if you bring up my non-response in the future, and I do not verbally respond, what would your impression be of my communication style?