BuddyPress.org

I recommend just turning it off completely…

remove_filter( 'bp_get_the_profile_field_value', 'xprofile_filter_link_profile_data', 2, 2 );

More elaborate filtering could be done by checking bp_get_the_profile_field_value and looking for field ID’s if you wanted to.

Just saw the replies. Boone’s plugin is a good option too. Expect to see something similar in the core for xprofile in future versions.