This is less important although useful in some cases. The more important thing is outbound - since Wireguard is layer 3, in the routing table you can't specify

This is less important although useful in some cases. The more important thing is outbound - since Wireguard is layer 3, in the routing table you can't specify a peer to send the packet to like you can with ethernet, and it has to choose one using AllowedIPs.