ATMs seem to have singularly failed to take off.
On what data do you base this on? If you look at for example https://coinatmradar.com/charts/ you will see that the number of installed ATMs has been rising steadily over the past years and is showing no sign of a slowdown.
8.82%* Average fee ?
They will go boston all of them.
Why the hell would you buy coins from an atm with such a fee?
And funny how a lot of them are asking for papers, forget about your precious anonymity.
LE:
Where is China leader of fake volume on that chart?
This involves the Fed, doesn't it?