It's always good to have an alternative reason beyond "we want to crush the competition", especially if one of these pesky anti-trust lawsuits comes around. It

It's always good to have an alternative reason beyond "we want to crush the competition", especially if one of these pesky anti-trust lawsuits comes around. It's very easily possible for both to be true, there is a "fight spam" reason and there is also a "monopoly" reason, and of course unless you very stupid you never mention the second.