Many true Bitcoin enthusiasts actually prefer to use Bitcoin as a medium of exchange. They arent interested in investment or speculation or trying to sell at a profit.
Instead, they see Bitcoin as a way to engage in free association of trade without the need for governments to regulate the exchange. With Bitcoin, its possible to pay for goods and services instantly by transferring the digital money straight from your wallet to someone elses digital wallet.
It is because Bitcoin, by its original purpose and design, is to be used as a medium of exchange. It is to be used in lieu of fiat if one is to prefer anonymity and freedom, in contrast to a fully-regulated government-issued currency. Many hard-line supporters of Bitcoin stick loyally to the very words of Satoshi Nakamoto printed on Bitcoin's whitepaper which clearly define Bitcoin as a "A Peer-to-Peer Electronic Cash System." It is to be used for buying and not to be kept as an asset.