Well, I have invested a lot in Bitcoin, and now I am a proud hodler
But I can give the example of a good friend of mine: He invests in foreign currencies and stocks, but
never in bitcoin. Even though I have talked a lot about it with him, he always refuses to invest even a small % of his savings in BTC, and even
alerts me all the time that "it is a ponzi scheme", that "it is no more than
tulip mania", that "I will soon loose everything I have invested", etc... Anyway, he has always been such a hard-headed stubborn in
any subject we talk, always insisting to be against every of my opinions (he is even comic sometimes with his reasoning) that I am already quite used to it, and nowadays he does not scare me at all any more