Bitcoin has made an evolution in the gaming, sports as well in other gambling industry as said by the op, because in the past only very few take part in gambling and that too is considered a risky one. Once after bitcoin came to field the entire scenario got changed opening a big gate for useto participate in gambling with much ease.
That us why we should really be thankful to bitcoin because it freed us to do the things we want to do specially on gambling either on gambling or online pc games aspects because as you said restrictions is to hard to bypass which really limit us to play because we dont have capability to put up money to play because its not available but now bitcoin have been created it is really a good way to play without any hassle anymore.