Help Windshield Wiper Studs Seized?

Windshield Replacement guy said that the wipers are seized onto the studs and they aren't allowed to take it off. He advised me to have someone else take it off then he can replace the windshield. Any idea what he's talking about? Thank You!

Windshield Replacement guy said that the wipers are seized onto the studs and they aren't allowed to take it off. He advised me to have someone else take it off then he can replace the windshield.

Any idea what he's talking about?

Thank You!

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