Honestly, you may just have that bad of luck. Sorry.
I bought a pair of Monitor 9 Series 7 speakers a week after they were available. Absolutely no issues, flaws, cosmetic imperfections. I loved the clean look of them over my old version 6 Monitors.
Since then I have bought a Center 3, upgraded to Monitor 11's, bought (2) Monitor SUB 10's, upgraded those to Monitor SUB 12's, and then added Surround 3's over the summer. Never had a single issue.
Again, sorry about your luck and hope you get it taken care of.