Im not an expert but the first thing that comes to mind is that 1) TFA does not quantify the performance gain in time 2) I wonder if environment variables like

Im not an expert but the first thing that comes to mind is that 1) TFA does not quantify the performance gain in time 2) I wonder if environment variables like TZ are a security risk/vector in that these might facilitate attackers to stealthy skew/screw time within current user process... no root required.