The truth is that, cryptocurrency investment is risky, and people wants safe savings method that will not be under risks of losing some part of the money, and most of them are lazy and don’t wants to learn which is why they can never leave commercial banks.
Don't underestimate or criticize others just because they don't have the same thoughts and choices as you, that won't make you better than them.
This world is colorful and each person will have different interests and perspectives on life. As you said, many people don't like risk and like safety, so what's wrong with them choosing safe solutions like banks or stocks? Not only ordinary people are saving or investing in bank stocks, businessmen and billionaires around the world are also saving and investing in bank stocks. Do you think they are lazy or don't want to learn?
Or even your parents, are they investing in bitcoin or are they choosing the bank as a place to save money? If you think that people who save and invest in banks are lazy and ignorant, then you are also criticizing the people who gave birth to you.