PALO ALTO, Calif.—Block warned that deep job cuts across companies will be unavoidable amid greater adoption of artificial intelligence. After announcing a 40% workforce reduction last month, the payments company has found itself at the center of a debate spreading across American corporations over how extensively businesses should cut staff as AI tools increasingly take over certain tasks. “It feels like the acceleration is actually only quickening and we are seeing, really, an inevitability at this point around productivity gains and what that means for us as a business,” Chief Financial Officer and Chief Operating Officer Amrita Ahuja said Tuesday…