I understand the point you and others are making - it is the standard advice after all, now endorsed by Tony Stark himself! But, I still believe it's better to

I understand the point you and others are making - it is the standard advice after all, now endorsed by Tony Stark himself! But, I still believe it's better to ignore negative feedback if it demoralises you so much that you give up on your idea, or makes you feel you're not good enough. The keyword in your quote is "constructive", which is the bit that is often missing on HN.