Quoted:
http://www.xdtalk.com/forums/ak-47-talk/64272-picked-up-my-arsenal-slr-107fr-today-finally.html
http://www.ak47.net/forums/topic.html?b=4&f=82&t=115362
http://www.assaultweb.net/forums/showthread.php?t=121124
http://www.co-ar15.com/forums/showthread.php?p=267530
http://www.nevadashooters.com/showthread.php?t=8233
Thats my first 5 entries theres alot more
THat's for sure not hundreds, and neither was the google searches I did.
Fact is, every AK builder on the market has put out guns with a flaw before. Even preban chicoms have been had with canted sights. Arsenal has done it, but it is much less common than the other manufacturers currently pumping out AKs by the thousands.
Your words "notorious" and "hundreds" are still the overstatement of the century.