Only true in certain time and places.
1950’s American culture was like that and the ripple effects are still felt. But look at the old writings you will find men of great passion in the US and all around the world. Look at the range of emotion expressed by men in Shakespeare’s writing.
It’s an ebb and flow. Stoicism helps endure the suffering. I am a man of passion and likely my descendants will be but if we endure extreme hardship we might harden again. That’s ok because it will help us survive. And then someday we’ll make art again.