every private company board of directors operates with a multi-decade horizon. It’s routine
Oh bullshit.
You’re a clown if you actually believe that.
In what fantasy world does that happen?
The companies I’ve worked with, and that is a lot of them, may think strategically for 5 or more years but it is rare that they act on more than a quarter to quarter mentality.
Planner’s droop shows up at about 5 years in the long range plan. The reason is you can seldom see that far in regulation, government or society.