I find that hard to believe. I guess it depends on what they call a failure. E-tec is known to have injector and stator issues but piston failures are EXTREMELY rare around these parts. Only issues seem to be rods in boosted sleds. Lots of guys putting 3 - 5000 miles on without issue. Hell I know a mountain guide in Whistler that got 15 000km on his '13 XM before it cooked a bearing and threw a rod. And they warrantied it!!
Since the '07/'08 800r motor the Doo has been fairly reliable.
As far as the Pro's, my neighbor had a '12, then a '14. Both lost a piston in the first 200-400 miles. His '12 went 3 times in 700 miles then he snow checked the '14. Same issues. Traded it in on an XM and almost 3000 miles in two seasons and has changed plugs twice that's it. He did blow a secondary up though...... Another buddy has an IQ that blows up everytime he takes it out, a '12 that usually gets about 500 miles before it loses a piston and he is too stubborn to spend the money on an RK Tek kit so he keeps doing it over with stock parts, and a boosted '15 that so far has been good but only has 300 miles on it due to poor snow this year.
It seems the '14/'15 is a bit better, but still lots of guys are finding cracks around the 1000 mile mark in the skirts. And if you make 1500 miles your on borrowed time. RK Tech fix kit seems to take care of the problems though and some have gone as far as to just throw an RK Tech piston in when they are new. Poo around these parts seems to only warranty the first blow up and after that even if you are under warranty they like to call it abuse or lack of maintenance or anything they can to not foot the bill for a rebuild.
On the whole Cat does seem to have the most reliable 2 stroke motor consistently over the past 10 years.