That's a separate argument. Laissez-faire vs. government (or the optimal level of taxation).

My argument is that a set of tax laws exist today and as long as they do all companies should be treated the same.

> just to keep them down

As an aside, Ireland's corporate tax is 12.5%, roughly 1/3 of the US corporate tax rate (35%). So it's not like Apple is being horribly 'kept down' here.