At $15 a month, the cost isn't a factor. If you can't afford $15/month comfortably; then its time to get a job lads and work a little harder.
You kinda hopped into the middle of the discussion there brah.
The point I was trying to make is that blizzard is making a lot more money off hearthstone than they are WoW atm. Even though you "can" play HS for free, it dsnt mean that people actually does it.
Same as you can play any fkn bejeweled game for free, candy crush is still making bank.