Are we headed toward a 12/14/16-inch MacBook line-up?

Apple’s 13- and 15-inch MacBook Pro with Touch Bar models
Ben Lovejoy for 9to5Mac:It was back in February that we first heard about a new 16-inch MacBook Pro in the works, and a new report today supports this, adding some more details. As we noted this morning, the timing does seem a little odd, “As the 15-inch MacBook Pro was refreshed already this year, with newer processors and a revised keyboard design, people are expecting the 16-inch to forge a new, separate, tier in Apple&rsqu