Given the nature of this digital currency, there are always conversations to be heard about not buying Bitcoin, as Bitcoin works outside the traditional banking system, so there are too many opponents to it.
You are saying people don't buy bitcoin because bitcoin isn't like the "traditional banking system"? If that is the case, then its good they aren't buying bitcoin. Because they know nothing about it and has no clue how cryptocurrencies work. They are dependent on third party institution to handle their assets/finances. I am sure they even if they start investing in bitcoin and gets hacked or loses their coins for some reason, they will end up trash talking about bitcoins.
However, its design is such that no one can create a particular barrier to buying it. If you have access to the Internet and a Bitcoin wallet, you can invest in buying Bitcoin.
Many countries have struggled to obtain this digital currency. Bolivia, Thailand, Vietnam and Bangladesh, for example, are all trying to obtain Bitcoin. Even more advanced countries such as Russia, Japan, Australia and Venezuela have attempted to legally sell Bitcoin. But it is interesting to note that some countries, such as India and the United States, have not yet taken action in this regard and have not yet defined an official policy on such currencies.
In general, it should be said that bitcoin cannot be an obstacle, and this is one of the advantages of Bitcoin.
Yep, as long as you have cash and internet, you can purchase bitcoin. No one can stop you from doing that as long as no one knows you are doing that

.