Refuse, and doubtless in the next election an opponent will be using that refusal and demagoguing about how jobs were lost. So the tax abatement or other giveaway continues. And tax dollars trickle away. Well, homeowners do. If companies pay lower taxes on their real and personal property, that doesn't mean they don't want to be served by the police and fire departments and all the other local services.
Someone has to pay.
Then there are the competitors. I come into the community with a large operation dealing in particular goods or services. I don't pay the same level of taxes as my established competitors. Those guys are in trouble. I can afford to undercut their prices, since my expenses are less.