It is never right to invest to show others or to convince others. Investment is for your own future. For example, if you have a goal that when you are old and have no source of income, you can withdraw some of the profit from the investment and make your life easier. Whoever wants to do what they want with their investment. But investment should never be to convince anyone.
When those who want to invest are aware of Bitcoin and are aware of Bitcoin's past, are aware of the Bitcoin network, etc., then I think they will make the decision to invest voluntarily.
Yes, that is our secret that we need to keep for ourselves and showing to others will just make us in a problem. The investment will help us in the future especially if we are getting old and no resource of income.
And with Bitcoin investment, we can start investing with a small amount and hold for some years or long term. With accumulating more Bitcoin using DCA method, we can add the amount gradually so we will see the value will increase following the price moves. We can choose different ways to prepare our future and we choose Bitcoin as the investment long term.