If they’re wearing headphones outdoors/in public instead of earbuds or noise isolating in-ear monitors, they deserve all the sweat lol.
Otherwise for those of you at home:
What Are Open-Back Headphones?
The 6 Best Open-Back Headphones of 2025
No more sweaty ears once I switched from noise-cancelling Sony and Bose bluetooth headphones, to a cheap bluetooth neckband type earphones. I swapped out the earbuds for some silicon noise-isolating ones that fit snugly in the ear canal.
Got a fancy open-backed headphone for gaming/music on the PC.
I hope thorium reactors become a reality soon, they’ll probably fix or lower most of your concerns with current uranium reactors.