WHEN LEGENDARY ACTOR John Cleese calls with a litany of grievances about the state of his cell service, it’s hard not to picture Basil Fawlty, the perpetually irritated hotel proprietor he played on the classic ’70s sitcom “Fawlty Towers,” gripping the receiver on the other end. “My phone’s gone completely mad and is registering no service. The whole gadget world is a mystery to me,” he said. In the next breath he complains about being thought of as “deeply unsatisfactory,” with an admittedly self-aware laugh for a man waiting out 2020 on a working vacation in the Caribbean. “The island doesn’t have a single case of coronavirus,…