For the past week, Denny Hamlin has had some very sharp criticism of Speedway Motorsports, which owns and operates 11 racetracks. That continued during his “Actions Detrimental” podcast on Monday, in which Hamlin called out Speedway Motorsports for not investing enough capital in improving the surface at some of the racetracks they manage. Hamlin also claimed that 23XI Racing, which he is co-owner of, “has invested more in this sport than SMI has invested in the last 10 years.” “It’s frustrating because we know that they’re taking a bulk and whenever we go to an SMI [Speedway Motorsports] trac…