Your AI summary is raw output, like uncooked mince meat.
Ask for a rewriting pass! Get it to edit for word count, remove redundancies, remove run-on sentences, and change sentence structure to use active voice.
You wouldn't ship your first draft - why let AI do it?
I mean... the problem with that, as with all the "you have to go back and forth with the AI" scenarios, is that by the time I finish with that I may as well have just written it myself to begin with. Would take a similar amount of time, actually have my voice in it, and not cost money for tokens.