Because that's what companies incentivize for, sadly.
The handbook or SOP somewhere probably does call for a risk assessment.
So they have two choices. Choice A is to do what's obvious, cut power and get to work. That has two branches. One branch is saving the day and potentially millions of dollars. For what? A side mention at the next all hands, maybe. Branch 2 is something goes wrong, and the company says you didn't follow the handbook, and you're fired or worse, found liable.
Choice B is following the handbook, knowing everything will be ruined. But, you keep your job, and maybe the handbook gets updated.
Both choices provide no reward. Only one provides no risk.
Ding ding ding! As an employee you're not there to do good work, you're there to what you're employer asks of you which is sometimes good work. When its your own electronics you can do whatever you want but as a rando employee you're not in a position to accept the risk.
The handbook or SOP somewhere probably does call for a risk assessment.
So they have two choices. Choice A is to do what's obvious, cut power and get to work. That has two branches. One branch is saving the day and potentially millions of dollars. For what? A side mention at the next all hands, maybe. Branch 2 is something goes wrong, and the company says you didn't follow the handbook, and you're fired or worse, found liable.
Choice B is following the handbook, knowing everything will be ruined. But, you keep your job, and maybe the handbook gets updated.
Both choices provide no reward. Only one provides no risk.