The city of Memphis will now have a Bitcoin ATM as the firm Coinsource installs three new machines in the state of Tennessee. The company is the largest Bitcoin ATM provider in the U.S. and has averaged over one installation per week in 2016. https://news.bitcoin.com/memphis-first-bitcoin-atm/ One transaction per week is abysmally low, for any ATM. How can you cover the cost of the machine, rental costs, running costs, etc at this rate? Adoption needs to really spike before ATMs are viable.
Even, if this is not the right time for spread bitcoin atm, around the world. According to your sentences. It's just wasted the money.
Although it hasn't been got compare with fiat atm, we can think if will like 1 : 10.000 fiat atm user for a week.