Actually it's due to the fact that the USA doesn't allow entire lakes to be turned into toxic acid sludge from dumping of refining wastes, and that there's currently no market for the associated (and expensive to separate) thorium in most RE deposits
There's a large market for the batteries, which means these "toxic pools" are going to be produced regardless. Again I ask: Where do you want these byproducts managed and treated: in a country with strong environmental laws, trained personnel, and relatively good oversight or in a country that is more than happy to allow the disposal of such wastes by digging a hole in the ground? The US enviroweenies have spoken for the past 30+ years: so long as it doesn't happen here we don't care. Their push for more and more solar/wind/hybrid/electric power generation and storage along with fighting tooth and nail any attempts to mine and create the tech in this country (But no where else) says it all IMO.
For the record I'm not, but you can't buy them from anywhere else. Even US companies like A123 Systems are moving their production to China. The problem is US (de-)industrial policy.
And we have, in large part, the enviroweenies' actions of the past 30 years to thank for it.
Since you're talking about me in particular
I didn't make it personal; you are. Since you want to step up to the plate let me ask you one simple question: What have you done (And continue to do) in your life to try and encourage such mining and manufacturing occur here in the US and not in China?
...the Chinese public has never been given a vote in the matter.
None of us in the US can directly affect what happens in China, unless we're prepared to pick up guns and start shooting as a nation. We can only affect what happens here in this country. I have written letters to my Federal and state reps, and donated money to people who have run for office and have similar views to mine. I have, very recently, begun to get more active in local politics by applying to a party committee position in the hope of having an influence.