Are most 19th century Kazak Rugs Fake?

In 1828 the Muslim Khajar rulers of the Khanate of Eravan lost their land to the Russians. Between 1828 and 1832 more than 100,000 Armenians moved in and an equal number of Azeri fled south to Persia. The Russian census i.e. the Kameral'noe Opisanie notes that more than 1/3 of all of the villages were abandoned. 

The Armenians wove rugs to survive. Many of the patterns were borrowed from the Azeri weavers. From 1832 on I estimate 90% of all Kazak rugs were Armenian “copies”. Does this mean that 90% of all Kazak rugs are “Fake”.

Such an idea is ludicrous but some people seem to think that way. I suggest that instead the rugs of the Caucasus evolved and the great rugs of Kazak are treasures.