I think the article is already quite concise. Moreover it is nicely written and explains a current open problem in physics from first principles.

A summary like this is useful if the underlying article is bloated and clickbait-y but in this case potentially detracts a reader from a good article.

As featured on the front page a few days ago [1]: knowledge without understanding is meaningless.

[1] https://www.theguardian.com/commentisfree/2019/aug/24/dougla...