Sure everyone as the right to used there money the way the like, you can't stop that. People invested in bitcoin because of making profit not to continue holding without benefiting from the investment. Anyone have is on choice on what to used there profit for, some invest in Katherine assets and some used the money for luxuries things. Everyone have the freedom to spend anything they have because is there property and you can't control that. Bitcoin is not a small investment and when you achieve your goals definitely you need to make your self happy to buy things that will make you feel good.
It is true that we cannot stop people from doing what they want to do with their money because it is not your money to spend with although some people do make use of their money to the price of bitcoin even though it won't last for long but during that time some people may change their decision on what they want to do before or in short spreading FUD so that they can earn profit. Well anyway, it is also the same for them where they can't stop us from doing what we want with our own money.
At the end of the day, cryptocurrency investments are called "investments" for a reason- you cash out whenever you feel the need to use it.
The purpose of investments are to receive returns in a given period. Additionally, you can also consider them as storing money that could either increase or decrease in value depending on the market fluctuation of its price. But you should always treat your investments as stored cash whenever an emergency arises financially.
I mean, what's the point of still keeping your investments stored when you are experiencing financial and economic crisis at your end? That is the reason on why some people invest short-term in BTCs and take advantage of its volatility in the market.