Oh looks like we got another bright person in the thread.
Let me break it down in simple terms to you.
If a product is good, it is sought after.
Now be careful, I know this is hard for you and makes your head spin, but try to stay focused and answer:
What can you tell me about a product, that is loosing its popularity over time?
Replying to your question directly: high sub numbers mean game is good. There is a big chance I will enjoy it yes.