Would've been valid only if the quality of products and services pre-acquisition were actually good, and for Blizzard games at least it's been anything but good

Would've been valid only if the quality of products and services pre-acquisition were actually good, and for Blizzard games at least it's been anything but good in the past few years. Gaming is a very end-user-focused experience and until their testimonies come in due time, your abstract market competition spiel is irrelevant to it.