Mhmm, yes, it's a handy way to prevent theft, to track linen service useage, generate billing etc. etc.
Lots of advantages for linen supply, laundry, hospitality businesses.
Nothing a pair of scissors or a small pocket knife won't fix if you're aware of it and really want the fluffy dressing gown.
I *think* the RFID tags in my Decathlon trainers are similar tech, might cut one out to see if I can read one with my phone before and after a trip through the microwave.