Is it a true news? If it is true then people will more interest in bitcoin. But as many members are telling that bitcoin investors are decreasing now, then how can bitcoin has 3K ATM! I am confused

What is to be so confused?
Most of those were ordered a long time ago, you don't wake up in the morning and say: "I'll put a
BTC ATM in my store today".Most of those companies that run the machines have started a long time ago and their plans were probably matching the last bull run, not the fall to 6k.
2000 of them were already in place by December 2017.
Besides, ATMs are not targeting large investors, they are just made to trick newbies into buying
BTC with huge 7-10% or in some cases even 14% fees.
Number of BTC ATMs is unquestionably increases every day, but when you look at map of available ATMs approximately 2500 of the total 3100 is located in North America, 1972 in USA and 535 in Canada. I think that this fact speaks for itself, we are far away to see much better coverage in other part of the world. For instance one small European country Austria have 178 locations, and so-called most friendly county Japan only 11 locations.
Yeah, it kind of destroys the myth of China being the largest country by
BTC usage, isn't it?
You can fake trade volume but you can't fake stores accepting
BTC or ATMs in service.