Maybe its because BFL is worried they can't deliver on their promises.
They are secretive because they lack confidence in their abilities.
FFS
Just because Worried -> Secretive
DOES NOT MEAN
Secretive (very debatable) -> Worried
It could also be:
Secretive -> Annoyed by all the BS
Secretive -> Have business experience where talking too much cased me to lose out
Secretive -> Former Military, and I know what OPSEC means
Secretive ->
any other reason under the sunYour psychic powers are not acceptable evidence, and your argument holds no water.