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A material either superconducts or doesn't.
In econ, our version of this is "A transaction is either voluntary or it isn't." We know that voluntary transactions are welfare enhancing (in expectation and subject to some other caveats), while involuntary transactions are not welfare enhancing (again, subject to a bunch of caveats and clarifications).
That's where the absolutist and seemingly extreme views on this stuff come from. Government funded anything is involuntary and therefor unlikely to be welfare enhancing.
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