Ebay state it is government regulation to give out DOB and driver's licence in order to sell/buy whereas Market Place does not require to give out this private information

Why do I have to give my dob and driver's lic when I can buy/sell on marketplace without giving same | Membership & Account

Why do I have to give my dob and driver's lic when I can buy/sell on marketplace without giving same | Membership & Account | eBay Australia