I guess we are coming from different worldviews. These were IIRC collectively referred to as "retaliation" by the incumbent firm and none of them sat very well

I guess we are coming from different worldviews. These were IIRC collectively referred to as "retaliation" by the incumbent firm and none of them sat very well with me as conducive to innovation. - lobby for regulation - poach from the challenger - tank prices in the one area the challenger has traction I believe Porter also mentioned trying to secure vendor lock-in.