It's a "whatever you like/10" Everyone's opinions are different, and who are we to judge what you purchased? All these types of topics do is encourage the trolls to crawl out of the woodwork to find something to trash on.
Personally, I don't consider add-ons or any game I bought digitally to be part of a "collection". That dropped your collection (for me) from almost 70 titles to around 45. --- Gordon Ramsay, the Mr Resetti of cooking