Since no one mentioned it: VCR tape eraser.
Basically just an electromagnet that oscillates because it’s running directly from AC current.
With an extension cord you could erase all the hard drives in a computer lab just waving the eraser vaguely where the drives are.
Physical destruction is better though.
Refuse to do se their preferred name for starters.
It’s likey Thomas. Include their middle name too so they know.
Same for Rafael Edward Cruz.