I'm not fully committed to seeing Bitcoin as an investment. To me, it's like my personal reserves, which I don't touch when I don't need to but use when I feel like it's appropriate.
Is personal reserve should be considered as personal investment too?
Because if it is only reserve, without hope or belief to gain capital growth from profit, is it better if you simply hold your money in fiat currency? As Bitcoin investor, I believe if a person buy bitcoin and hold it, there is hope to get profit from it.
As for gambling, I treat it as a form of entertainment more than anything else, so it's just something that has a different purpose. If we're talking about earning money, that's what jobs are for.
Gaming and gambling should be considered and compared first. They are all in a form of entertainment and some games require gamers to buy items to play, it is investment to play games. They even just spend money to play and satisfy their ego inside games through avatars. In gambling, they spend money to play game and bet to win. It again requires initial money for gambling. I see some similarities here and if a person plays games or gamble irresponsible, it is all bad.