"We need more Macs in this room; it'll pretty it right up" certainly implies that we don't need Macs because they are good machines. It's not "secretly insulti

"We need more Macs in this room; it'll pretty it right up" certainly implies that we don't need Macs because they are good machines. It's not "secretly insulting their intelligence", it is explicitly and overtly discounting the professional capabilities of the people he supposedly wanted to recruit. You seem to be being purposefully obtus to me. If it weren't a sexist joke people wouldn't have laughed at it.