It's just that people don't know enough about Bitcoin, other cryptocurrencies and the technology that lies underneath, that they don't trust it. Most of the arguments given for any downsides of Bitcoin are due to fear of the unknown. We should embrace this, but first get to know more about it, for those who don't yet know enough.
Cryptowork is still a baby, and very recent !! Many people look with suspicion, but in a very short time they will give their value !!!