> So maybe the more useful takeaway isn’t “giving up is good,” but: keep reassessing your goals realistically as you grow.

This is ultimately what the article is talking about. It's not about giving up on your ultimate goal, it's about giving up on your current approach and finding other ways to progress towards your goal.

This is what I got from it. It’s pretty much synonymous with how I approach things. I wouldn’t call it “giving up,” rather than “reviewing and adapting.”

Here’s a demotivational poster that comes to mind: https://despair.com/cdn/shop/files/stupidity.jpg