Your CF-18’s are beyond long in the tooth.
Most have already replaced their aging aircraft long before Canada put ink to paper.
He’s got more than 3 years left, and like it or not Canada’s defence industry is tied to the US, dicking around further on the F-35 contract will only hurt Canada, in both capability, and contract costing.
The Canadian economy is also linked to is down here, so with things may hurt here, they can be devastating and worse up there.
Pissing off LocMart on the F-35 could create lot more serious issues for Canada, than LocMart at the end of the day.
Your current Frigates have LocMart Combat Management, as will the RCD’s and many other subsystems in other folks equipment is some subsidiary of LocMart.