Carrier encouraged to stay in the US using inducements.
Tax payers pay for those inducements.
Costs end up being borne by everyone, including non-Carrier employees.
Cost of goods increase invisibly.
Ends up generating wage pressures.
Whereas a dynamic, trading economy finds comparative advantages with neighbouring countries, as a result of which both win.
Now any sensible enterprise will demand similar incentives to stay, generating broad inefficiencies.