Canadair (mfg) has been gone since 86, so we've been hand making all replacement parts ever since... Maybe it's good training for the maintenance guys for battlefield repairs but - I can't see that making much sense...Probably because they're old and paid for, and cheap to run. And the Hawks are needed for training.
1962-3 the airframe was brought into service. Apparently in 2022 we're planning to refit the aircraft and extend it out to 2030+. Just for the snowbirds.
DNDs argument is the tutor is more suited to small airfields. But when did they last do a show at a field that couldn't accommodate a CF18?
Not sure, it's interesting politics...