yeah. you obviously don’t get how bitcoin wallets work. you can have more that one address associated with the wallet and you can spend out of multiple addresses. there are also ways to anonymize the addresses (not to mention that you can create as many addresses as you want to begin with).
see:
https://github.com/bitcoin/bips/blob/master/bip-0032.mediawi...
https://cryptalker.com/bitcoin-mixer/