The Asian crisis of late 1990s was caused by international capital herd moving to invest in Dot.com
Well, that's pretty damn oversimplified, but anyway, Korea had to devalue it's currency during that by 1/2 overnight. Let's assume your claim that all money flows to the US when/if the US raises rates is true. These other nations with capital leaving would probably be in the same predicament and have to result to similar moves. Just about everyone expects massive China devaluations. But the point is, unless the entire planet is a centrally controlled banker matrix with synchronized, planned devaluations all in coordination, then the reactions and effects of these moves are not going to be predictable.
For instance, if all these other nations are having to do enormous currency devaluations, it could spark the biggest metals bull run ever seen and even blow up the jew banker metal manipulation. You seem to claim raising rates in the US will be dollar positive and metals negative, but it's more like the exact opposite. There's way too many foreign countries that will have a fear of their US assets being seized or held in some manner, so they're not going to flood to the dollar. Counterparty risk actually matters and the only place they can actually remove that risk while also getting yield during devaluations is metals, not US assets.