Any line jockey can give an FO route Fam...we do all the time
Maybe where you are...but in most other operations LTI's (line training capts are vetted and receive assessment and training, not to the level of TRI...TRI is required prior to Initial line check..LTI thereafter until final line check...IOE in the USA was also required to be conducted under a line training (IOE) capt which was an authority issued by the FAA..