> Optimal corporate taxes are zero (or close to it) anyway, same as tariffs.

From a purely theoretical standpoint about the optimal allocation of private goods, that might be true -- but the reality is that when corporate taxes decrease, so do overall revenues because their owners are also engaged in massive tax "avoidance" via many of the same schemes and we don't have any way to effectively collect tax.

As a simple example, to return profits to their owners, companies often engage in stock buybacks to increase their share price instead of paying dividends -- another theoretically 'neutral' choice except that many of the owners of the appreciating stock are international, nonprofit, or in convoluted overseas trusts which 'defer' the tax ad infinitum. We've disastrously and intentionally underfunded our tax enforcement mechanisms so huge portions of those deferred taxes are just never paid. [1]

> Asode from that, even if one disagrees with the first statement or the Trumpism economics, there are 195 countries in the world and quite a few will be willing to tax foreign (enemy) tech companies. See the new hostility of EU against american tech.

Sure, but the tech companies are paying massive bribes to the President of the country where they're domiciled. How on earth are any of these other countries going to enforce international tax obligations on them if they're protected by a nuclear-armed state that's the sole source for AGI?

[1] - https://taxpolicycenter.org/sites/default/files/publication/...

> "US taxable shareholders strongly prefer buybacks from a US tax perspective, as they tend to reduce their tax liability by 9.3 percentage points, on average. US nontaxable shareholders are indifferent between dividends and buybacks, and foreign shareholders strongly prefer buybacks, which reduces their US tax liability by 14.5 percentage points."