What's there to dispute? Funds were sent. In regards to your question.
13.3 Ineligible Items. PayPal Purchase Protection only applies to PayPal payments for certain tangible, physical goods. Payments for the following are not eligible for reimbursement under PayPal Purchase Protection:
•Intangible items, including Digital Goods
•Services
•Real estate, including residential property
•Businesses
•Vehicles, including motor vehicles, motorcycles, caravans, aircraft and boats
•Custom-made items
•Travel tickets, including airline flight tickets
•Items prohibited by the PayPal Acceptable Use Policy
•Items which you collect in person or arrange to be collected on your behalf, including items bought through In-Store Checkout at the retail point of sale
•Items that violate eBay’s Prohibited or Restricted Items Policy
•Industrial machinery used in manufacturing
•Items equivalent to cash, including prepaid or gift cards
•PayPal Direct Payments
•Virtual Terminal Payments
•Personal Payments
The last option is the "gift" option. He's gifted the money to you. That's a done deal. There's nothing to scam. You on the other hand could just not ship the items since legally he was sending you a gift.