"For the last three and a half years, every single command I’ve run from the command line on my MacBook Pro has been logged... the return I’ve gotten on that sm

"For the last three and a half years, every single command I’ve run from the command line on my MacBook Pro has been logged... the return I’ve gotten on that small investment is immense." I'm still not sure why it's helpful to have three and a half years of your bash shell logs.