Promptly at noon Friday, I went to a Philadelphia cream cheese website to sign up for the “Spread The Feel” campaign. Amid an ongoing cream cheese shortage, Philadelphia’s parent company Kraft Heinz is paying customers $20 to not make cheesecake for Christmas. In exchange for an email address and basic personal info, Kraft will reimburse up to 18,000 customers for purchasing alternative desserts the week of Christmas. A good deal for someone like me who does not bake cheesecake or celebrate the holiday. Overwhelmed by traffic, the website crashed. Turns out, Kraft is not only struggling to meet the demands...