That probably depends on their ad model. For example, I would imagine that Google ads would not cause them to change their editorial model, while a referral-bas

That probably depends on their ad model. For example, I would imagine that Google ads would not cause them to change their editorial model, while a referral-based network or a more niche banner network might exert some influence. Further, whether they were truly independent to begin with is beside the question of whether it would make them less independent or not.