I think its more subtle; they fight for regulations they deem reasonable and against those they deem unreasonable. Anything that curtails growth of the business is unreasonable.
However companies have balancing factors which are other than maximizing short term profits, such as moral image
All life grows and consumes as much as it can. It's what makes it life. "Control" happens when there's more life contesting the same limited resources, and usually involves starvation, but if the situation persists on evolutionary timescales, then some life adapts to proactively limit growth. Then, if some of that adapted life unadapts itself, we call that "cancer", which I think is what you were going for.