Collecting isn't a number. It's a behavioral thing. The only question to ask is, "Do you buy games to collect them, or do you buy games when they go on sale?" If the answer to either or both is yes, then you are a video game collector. Fanatical is merely trying to define something that suits their ulterior business agenda.
I am a collector because I buy games when they go on sale even if I have no intention of playing them after purchase.
"What is the most resilient parasite? Bacteria? A virus? An intestinal worm? An idea. Resilient... highly contagious. Once an idea has taken hold of the brain it is almost impossible to eradicate."