Biomechs did not manage to attain widespread adoption, but they still managed to carve out a niche in the mech market.
Compared to third-class and second-class biomechs, first-class biomechs enjoyed considerably more advantages.
When money no longer became as serious of an impediment as before, there were plenty of first-raters that were willing to invest big to obtain exotic and exciting organic machines.
The Terrans, though not known to be particularly enthusiastic about deviating from established trends, unusually possessed a greater interest in making use of biomechs than other first-raters.
Compared to the Rubarthans and other first-raters, the Terrans possessed a greater appreciation for nature and organic life.
This was mainly due to their obsession with Old Earth and propagating the original ecosystem of the human race across the stars.