Some people don't see Bitcoin as a normal currency and think it's too risky because its value can change a lot. They also worry that it's used by criminals for illegal activities like money laundering. However, other people think Bitcoin is amazing because it's different from traditional currencies and could change how we use money. Nobody knows for sure what will happen to Bitcoin in the future, but people are still talking about it and interested in it.
Whether people hold the same conviction or not, they're right. It is true that BTC is riskier than normal currency or other risk assets such as stocks because it is more volatile and moves faster in the form of price. There is no tangible proof of BTC but electronically which also many people take it as a scam as they compare it to gold. It is likely to be use by criminals, because as you know BTC doesn't need central regulators. Just P2p. But if put into good use, BTC is a great tool.
There are both advantages and disadvantages. Both extreme profit and extreme loss, hence give a great deal of risk.