
can't/cannot well (do something) is an idiom,means cannot or should not do something because it would be inappropriate or unreasonable. used to say that something is not the right thing to do.
cannot well be denied means it's unreasonable be denied

can't/cannot well (do something) is an idiom,means cannot or should not do something because it would be inappropriate or unreasonable. used to say that something is not the right thing to do.
cannot well be denied means it's unreasonable be denied