shlishi-
I agree, but there were times that I was told that if I agree to go out with a girl- since she is flying out to meet me I have to commit to two dates. Saying “no” after just one would have been dishonest and highly offensive.
Also going out for a fourth time when one is not interested when compared to two weeks of non-stop harassment may be the lesser of two evils.
Imagine how much more prevalent these torture tactics will become once the shadchanim know that they will be receiving compensation.