It's a terrible idea that as usual by CCP has actually made an overpowered ship into a useless ship.
Without the optimal bonus, the falcon now becomes only viable at 70K-120K, which is not only interceptable distance but with no real way of tanking, makes it less than useless.
Watch as everyone ditches ECM for the new next best thing (watch this space).
Oh ... and I'm back (sort of)