I think the guy who bought that pizza helped to set BTC in motion. Like if it couldnt be used in real life scenarios then it would of just been a useless fake currency but by making the first real world transaction he helped power the Bitcoin train.

Also not to seem negative as that isnt my intention but the difference between buying an investment that makes capital gains and buying a tree to harvest fruit is very different.
If you assume you bought say 50 trees for a small apple farm you would still need to put in many hours of work ensuring the tree is nurtured protected from pests and then harvested as well as the actual selling of the apples, whereas if you bought bitcoin all you needed to do was hold it and it increased in value.