In 1988, though, the Court decided that it would begin to make the rules. In a powerful opinion written by Justice Sandra Day O'Connor, the Court ruled that all-male clubs could no longer exclude female members, since such exclusion denied the women access to business deals with club members.
I'm not sure I even need to comment on this. "denied women access to business deals with club members"(FT says over and over while shaking his head).