Ebay buyer returned broken item and expects full refund! Who will ebay side with?

Ebay Store: www.ebay.com/s...
Email: [e-mail]
Links to items I use in my reselling business.
Shipping Items:
ROLO Thermal Label Printer: amzn.to/2JI9Wvi
ROLO Printer 4X6 Peel Stick Labels: amzn.to/2yuCjL4
Bubble Wrap: amzn.to/34aD1cn
Kraft Paper Void Fill: amzn.to/2V7GioH
Shrink Stretch Wrap With Handle: amzn.to/34nUP3U
Bubble Mailers Self Seal 8.5X12: amzn.to/2JFwexN
Extra Large 14.5X19 Poly Mailer Bags: amzn.to/2UJvdLk
Regular Size 10X13 Poly Mailers Bag: amzn.to/2yuKY02
Extra Large 14.5X19 Clear Poly Bags: amzn.to/3bUNQSt
Regular Size 11X14 Clear Poly Bags: amzn.to/2JMLzfT
3” Tape Dispenser: amzn.to/3bUE1UG
3” Tape Refills: amzn.to/2JIM5Mc
Photography Lighting and Display Items:
Amazon Photo Lighting Box: amzn.to/3aLX5UL
18” Ring Lighting Kit: amzn.to/3aJui3m
Mannequin Display Head: amzn.to/2JJeGky
Male Mannequin: amzn.to/2UHZJVY
Shoe Cleaning Items.
Dr. Martens Wonder Shoe Balsam: amzn.to/2x8NYz1
Angelus Easy Shoe Cleaner: amzn.to/2UIhioV
Black Shoe Edge Dressing: amzn.to/3aLfwsX
Brown Shoe Edge Dressing: amzn.to/2XehzBE
KIWI Horse Hair Brush: amzn.to/2xU2zhz
Black, Brown, Neutral Shoe Polish: amzn.to/39K8Zxf
Latex Gloves: amzn.to/3aO2M4D
Microfiber Cleaning Cloths: amzn.to/3bNyHlM
Miscellaneous Items Used in Reselling.
JFJ Easy Pro Disc Repair: amzn.to/2UNQGmF
Scotty Peelers: amzn.to/2UJvNbY
Goo Gone: amzn.to/2wfvFrm
Hyperkin Video Game Tester: amzn.to/2JLUdLN
Heat Gun: amzn.to/39P0fWI
RUclips Channel:
GoPro Hero 8 Camera: amzn.to/2RvACE6
Blue Yeti Microphone: amzn.to/2XxhglB
These are Amazon affiliate links.