It's not just your parents. I have friends my age and younger who believe earning money in the stock markets or with crypto isn't 'an honest days of work' and with that, not valid...
They say we're extorting the middle men and working class. I really don't see how but yeah.
No point arguing with them about it.

We are all on our own journeys. Meanwhile just do what you do, and do what makes you happy.
You're living your life for you.