Axon command/event handling

Person aggregate

public class Person extends AbstractAnnotatedAggregateRoot<PersonId> {

    @AggregateIdentifier
    private PersonId id;
    private String name;
    private LocalDate birthday;

    @CommandHandler
    public Person(AddPersonCommand command) {
        apply(new PersonAddedEvent(
                  command.getPersonId(),
                  command.getName(),
                  command.getBirthday()
              )
        );
    }

    @EventSourcingHandler
    private void applyEvent(PersonAddedEvent event) {
        id = event.getId();
        name = event.getName();
        birthday = event.getBirthday();
    }
    
    @CommandHandler
    private void handleCommand(SetPersonNameCommand command) {
        apply(new PersonNameSetEvent(command.getId(), command.getName());
        
        // Why not the following?
        apply(new PersonChangedEvent(id, command.getName(), birthday));
    }
    
    @EventSourcingHandler
    private void applyEvent(PersonNameSetEvent event) {
        name = event.getName();
    }
  
}

PersonService

@Service
public class PersonService {

    // inject some stuff
  
    @EventHandler
    public void handleEvent(PersonAddedEvent event) {
        db.insertInto(PERSON)
          .set(PERSON.ID, event.getId())
          .set(PERSON.NAME, event.getName())
          .set(PERSON.BIRTHDAY, event.getBirthday())
          .execute();
    }
    
    @EventHandler
    public void handleEvent(PersonNameSetEvent event) {
        db.update(PERSON)
          .set(PERSON.NAME, event.getName())
          .where(PERSON.ID.equal(event.getId())
          .execute();
    }
    
    // Isn't it possible to replace every existing handler with the following?
    @EventHandler
    public void handleEvent(PersonChangedEvent event) {
        // as classic relational table
        db.update(PERSON)
          .set(PERSON.NAME, event.getName())
          .set(PERSON.BIRTHDAY, event.getBirthday())
          .where(PERSON.ID.equal(event.getId())
          .execute();
          
        // .. or just as plain json?
        String json = objectMapper.writeAsString(event);
        db.update(PERSON_INFO)
          .set(PERSON_INFO.DATA, json)
          .where(PERSON_INFO.ID.equal(event.getId())
          .execute();
    }

}