How do you send money using crypto? How do you pay your rent, bills, utilities groceries using crypto? Go!
The use of cryptocurrency for payment wouldn't be possible if the receiver does not have a wallet address too because it is where the coins will arrive as payment. So whether rent, bills, utilities etc, an address must be sent to the sender to transfer just like a bank account too.
The wallet address in cryptocurrency is synonymous to a bank account that appears in figures but cryptos are encrypt.