For some tech firms, layoffs are a way of "continuous tuning," as business priorities change. Getty Images; Tyler Le/BI Tech layoffs are a recurring feature of the AI era. Companies are cutting jobs while continuing to hire for certain roles, especially around AI. Layoffs aren't usually because firms are entirely replacing workers with AI, said one tech leader. Microsoft's latest round of layoffs has become a familiar corporate ritual. Last week, the software giant said it would eliminate…