Does the state of being someone who strives for excellence instead of perfection not carry with it it's own downsides? I know the article is more about unlearni

Does the state of being someone who strives for excellence instead of perfection not carry with it it's own downsides? I know the article is more about unlearning perfectionism, but I'd also want to know what I was getting myself into if I did decide to change and if I would prefer it: e.g better the devil you know, though this is probably tinged by my resistance to change...