Dade Hayes Finance EditorAT&T CFO John Stephens said the layoffs currently affecting WarnerMedia should not be seen as a course correction after the May launch of HBO Max, but rather as a “refocusing” of the company.The executive discussed the reductions of about 600 WarnerMedia staffers and many other topics during an online appearance Tuesday at the Oppenheimer Technology, Internet & Communications Conference.Starting Friday and continuing into this week, the restructuring was punctuated by