RejectInvalidMessage not honoured for FIXT messages

Any reason why RejectInvalidMessage is not honoured for FIXT messages ?

https://github.com/quickfixgo/quickfix/blob/7945e4b53d7be2e68202fe68952ee31f2a736ccc/validation.go#L96-L104 vs https://github.com/quickfixgo/quickfix/blob/7945e4b53d7be2e68202fe68952ee31f2a736ccc/validation.go#L124-L130