Seeking female perspective: Why is unresponsiveness so common?

I’ve noticed a recurring pattern in the Arranged Marriage space that I’m trying to understand. When a guy isn't feeling a connection, it’s fairly common for him to send a respectful message, wish the other person luck, and close the chapter.

​However, there seems to be a significant pattern of women not responding at all if they aren't interested, leaving the other side waiting indefinitely.

​I’m genuinely curious - not ranting - what is the thought process behind this? Is it a fear of the guy reacting poorly to rejection? How much time does it really take to provide a courteous closure and be on your way?