the thing is that the second setup transaction of 10ksat fee then pushes the average tx fee up if lots of idiots spam this scheme
you may have noticed this week the average fee's went from <$3 to >$9
Wasting money by denial-of-service... by no means, is this new to us at all.

It's going to cool down eventually, because blokes will either run out of money or realize that throwing away mountains of several million satoshis is literally throwing their money down a sinkhole never to return again.