bitcointalk is in the top 10 of the global forum rank the world with having almost 3,5 Million users and 60+ million posts which means this forum has a potential place to reaching up the business. lots of success, but must be really reliable and stable as marketer such as long time campaign. Yes, it really needs huge capital each week, but with that, the forum member can see GXGbet is serious to handle the business, if they can pay the salary each week, so no way for the company to do not to pay the gambler.
Every business should be handled seriously and you are right that it does really depends on a company/project on allocating budget for market whether they would go on being aggressive or a little bit conservative but of course we do know that this forum is indeed a good place on spreading exposure.