bla bla bla... i've run them for many years and have never had an issue. hell the set i took out of the dart a couple years ago were in the rear since the mid 90's and are still fine.
as far as birdsong goes, you don't know what the hell he has done with things.. he does some real hach **** at times.
that bullshit is so over blown.. probably as bad as the B,F,J,M,R body spindle debate was over tthe years.