Btw, will you be doing the rest of G1? Cos seeing your list is like looking at a 40% complete progress bar.
I guess because he was engineered to be compatible with Microman whereas other figures were uniquely made for Transformers and thus severed their direct ties with Diaclone, Microman and other pre-TF lines
(i.e. greater influence from Hasbro over Takara)
The original Decepticon Cassettes were 1984. Frenzy/Laserbeak was no longer available in 1986.
Another factor that helped push me into getting Frenzy/Laserbeak was that my original Frenzy was really worn out. Heh, my first taste of a reissue.