You could try re-gluing the surround yourself. It's not that difficult:
https://www.madisoundspeakerstore.com/adhesive/seal-cement-2fl-oz/
I'm not sure why those repair guys did not catch it or repair it. Replacing surrounds on a speaker cone is a service done by several people.
https://www.madisoundspeakerstore.com/adhesive/seal-cement-2fl-oz/
I'm not sure why those repair guys did not catch it or repair it. Replacing surrounds on a speaker cone is a service done by several people.