Not all the clothing anyone wears in a plant. Clothing special for contamination areas. They also do scans at thresholds and anything you carry with you that gets contaminated is confiscated. Nuclear plants genuinely have a level of safety in the us that is pretty hard to comprehend, it’s all done out of an abundance of caution more than a genuine need for it. Not quite security theater, just a very high degree of security.
Nobody has mentioned librewolf, which is a fantastic out of the box privacy browser. It’s a Firefox fork.