the employees and consumers will cause NEW enterprises to replace them.

see small game fallacy and conjuring evolutions and your ideological assumptions begone!

The myth in the tobacco industry's economic importance argument is that a significant economic presence necessarily implies significant economic dependence. Implicit in the industry's argument is the notion that a decline in tobacco economic activity will entail a comparable decline in the economy. However, when resources are no longer devoted to a given economic activity, they do not simply disappear into thin air; rather they are redirected to other economic functions.*