First, lack of knowledge in cryptocurrency that's why they don't gain interest on investing in crypto. Second, even if they want to they are just too afraid of getting scam and being fooled by abusive people.
Knowledge is one thing. There is risk in investing in crypto currency that is one reason people are afraid of investing in Bitcoin or crypto currency. Besides, the down market often lasts longer and at times people just cannot get enough money for their needs that is why the business is often not preferred.
Price manipulation has created a threat to the invested money and at time one has to hold the portfolio for long to stay away from loosing money.
if you just going on a battle with nothing like you dont know anything the result are not good just like here you have to be aware on what you can be able to face on so when you also have to take here you need to study the market or everything here for you to be aware.