"The one use they left out is, everytime they lauch a rocket into outer space they burn up truck loads of helium."
That would be covered under "purging"
Helium does not burn in rocket applications, it is used as a purging & buffer gas.
But your other points are very much valid. Helium is a relatively rare natural resource.
Ann: Placement for Mukuyu-2 Appraisal Well & Phase 2 Exploration, page-75
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