It may not only be bad for shidduchim

All that info people feel free to ask when checking out a shidduch may reveal more about a person than they would want public --it may not only damage a reputation but a bank account. See http://badforshidduchim.wordpress.com/2010/01/21/warning-warning-warning-new-id-theft-scheme-protect-yourself/
and be sure to thank the pope for putting you on your guard.