What percentage of bitcoin investors are gamblers ? Where will this figure be if we consider worldwide users ? I think it will be somewhere between 10-20% ? Also, it is possible that most of gamblers are still not bitcoin investors ? I see less chances of the later happening.
All I will say is just from my personal observations and no real data to back it up. In my own case, I will use myself as a case study. I have known gambling before bitcoin, this is because gambling has been in existence for a very long period of time before bitcoin. Infact I will not be surprised if there are still people who know nothing about bitcoin. I mean many of them
Then, both gambling and bitcoin investment is about risk but while one is a professional risk, the other is not considered a professional risk. Every bitcoiner must have been risking in gambling before Bitcoin was invented. Maybe as bitcoin was birthed they decided to stick with bitcoin trading and investment and say bye to gambling. In conclusion, every bitcoiner must have gambled at a particular time but not all gamblers know about bitcoin.