You are blowing some of that smoke up...........And yes,  some of us have spent a lifetime in the woods,  and some of that  fighting fire.  I am older than your second growth forests.  In the real world you are not visiting,  the second and third growth is being logged at culmination of mean annual increment to interrupt the capitalization schedule to recover those costs at the earliest possible date.  Part of the actuarial driven decision  process is the inevitable occurrence of fire and what it can do to an investment in  timberland.  That decision,  along with  no large or small diameter public timber offered for sale,  drives the timing  of converting  private trees to lumber and panels.  So it's all small mills,  highly optimized,  getting the most out of the tree and loggers making the best logs to convert,  down to processors bucking butt swell and distorted grain to maximize the transportation of the highest value product realization.  The cycle is down to 40 years or less.