I've worked in big piles of 3-phase power cables (though not quite as fat as in those other videos!). It's not bad. It's not any different than working with r

I've worked in big piles of 3-phase power cables (though not quite as fat as in those other videos!). It's not bad. It's not any different than working with radiation, or at height, or around table saws, or crossing the street. You learn how it works, and how it can go wrong and hurt you. You practice good work habits, and learn to trust your equipment and training and coworkers. You recognize that it would take 2 or 3 things all going wrong at once for it to really fail, so you report any 1 issue right away.