I don't understand why is this bad? AZ is selling vaccines at cost, 20 times cheaper than moderna (which this article for some reason keeps mentioning) and they

I don't understand why is this bad? AZ is selling vaccines at cost, 20 times cheaper than moderna (which this article for some reason keeps mentioning) and they licensed (or just gave away?) it to generic manufacturers in India and elsewhere to produce cheaply (which the article does not mention?)