In Russia microwaves are not sold.
Given Russian manufacturing standards of a lot of things, I would not trust a Russian-made microwave all that far, at least not in 1976, which is when microwave ovens were banned there. The Russians presumably realized that high quality control in door seals etc is important, and may have made the right call there :> (e.t.a. - although on second thought I suppose the real reason was probably more along the lines of why blue-jeans and color TVs were also banned during that general time period - western decadence!

)
However please note that microwave ovens were legalized in Russia at least 20 years ago. So the above quoted statement is not, currently, even CORRECT.
And so what? Stevia is not approved in the US as a sweetener. <X> is not approved/sold in <countries Y and Z> for all sorts of reasons. This proves nothing.
They are considered dangerous to the user from microwaves they emit
Only a
damaged microwave oven is emitting anything but noise. Really really. As long as you don't use highly-abused or umpty-years-old machines, or disable the door override and stick your head in there to microwave it, there is no exposure to anything harmful.
Microwaves change those phyto-nutrients into foreign substances that our body is not accustomed to eating
Yes, they can. You know why? Because microwaves HEAT the food, sometimes very hot very fast (like, in some places in a microwave, or if you do something unwise).
So do other methods of cooking. Like for instance grilling. Grilling is REAL good at cooking parts of food real hot real fast and creating chemical changes (in many cases of the same sorts that microwave ovens can cause). Also frying, specially the kind where you get a cast-iron frypan real hot and then put the food in it to sear the outside.
Sheesh, cooking is BY DEFINITION a whole suite of chemical changes in the molecules that make up yer food

(Otherwise it would be called "mildly and carefully warming"

)
So unless one is advocating a raw-only diet (and of course, some do; but cooking does some GOOD things for the nutritional content of some foods, too, so that whole issue is much larger), I think it is supremely disingenuous to suggest that microwaving is any much different than other methods of cooking.
I am surprised the article did not mention the oft-mentioned study that showed a decrease in nutrient content of broccoli microwaved vs steamed. A study in which they microwaved it in a WHOOOOOLE lotta water. So, yeah, obviously nutrients leached out, this is WHY it is better to steam things (in steamer, or in hardly any water in a microwave) than to boil them, and really says nothing about microwave cooking in particular
By all means avoid microwave ovens if it floats your boat, but at least it would be good to see people get the
facts a bit straighter (and that article is really pretty eye-poppingly misleading).
Pat