I think this is risky but risk is the key of success. no one can't predict what's going on next.but we know that bitcoin is unstoppable. right now price is down but we hope bitcoin rise again.so your friend can invest in bitcoin.
It is true that to be successful, we need to take risks, but calculated risk. Invest only the amount you are ready to loss because crypto is a very risky if you are not well versed about it.