“Why/how is that bad?”
Becasue it is a waste of time/effort and has lead to the shidduch crises.
Many girls are turned down for absurd reasons. Once people go out, I doubt that the fact that her father wears a blue shirt ain mul ah yoivel would shter the shiduch. It puts up artificial barriers that prevents people from ever meeting
How’s “different expectations” explain why the Litvish should partially switch to the MO model?
Ayin DY’s comment .
I’ll elaborate just a bit: The point of dating should be for marriage not just for the sake of dating