This decision was likely made from a different department, and just lucked out that it was the day before an AMD launch. If Intel wanted to delay it specificall

This decision was likely made from a different department, and just lucked out that it was the day before an AMD launch. If Intel wanted to delay it specifically to appear for better benchmarks, they would have waited until after Cascade Lake-X benchmarks were out. It's meant to be being launched later this month.