I wrote a lot about this on the forum Pain of Shidduch Rejection.
In trying to be constructive, this should be addressed by our leading Rabbeim, as the resulting pain of such a thing can be as dreadful a pain as anyone one has ever experienced. What is one to do at that point?
Forgive me for comparing, but in the outside world people can grow tired of another and move or on or their partner can c”vs violate the relationship and at least the grieving party has something to help them accept the situation.
Here, in our community, someone can be on cloud 9 and then all of a sudden then get a message it’ over; and they never saw a problem coming. And many times this heartbreak may be based merely that something does not look right “on paper”. People are complex and sometimes third parties or one of the original parties overthinks something making a match seem like too much of a business, legal arrangement affecting precious hearts and neshamos in damaging ways, heaven forbid.
I dont know the answer, but there seems to be people speaking or needing to speak out about being hurt, pretty badly, from this process. What do we do for them? We have to care about them and not let them suffer in silence with the hope the answer is always just around the corner.
Dating should include some parameters to avoid causing a high degree of pain. We are a good hearted and natured people and must be delicate with each other in this area.