Using a monopolistic position in one market (i.e. cash flow) to make another market not profitable can be considered abusing one's position in the first market.

Using a monopolistic position in one market (i.e. cash flow) to make another market not profitable can be considered abusing one's position in the first market. i.e. can be compared to a form of "dumping" (not quite what dumping is normally, but close enough I think0.