Well, it may get easier if you get another card with a passive ability (Say, Devourer counts?) and give it an Active one (BE) to check if it has summoning Sickness as well. It may be a problem with just BE (as it is known Devtosis is a viable deck) or just with Salvagers.
I feel like it's not intentional, though.
But it's interesting.
EDIT: RoL + BE doesn't give off any summoning sickness. Would Mitosis + Salvager give any after the Salvager skill is activated, I wonder?