As “New Era” seasons go, Survivor 47 has been one of the good ones. Jeff Probst’s post-pandemic makeover of the landmark reality show has its irksome tendencies: a too-formulaic structure (why are we locked into three tribes of six every season?), an overabundance of advantages, the decision to cast exclusively superfans whose life’s dream is to be on Survivor. But 47 has navigated those waters better than most, delivering some genuine interpersonal...