>> “I don’t expect much from the American bishops, after all they gave us the NAB translation whose copyright they own.” <<
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That which is copyrighted is strictly for profit, not for truth, or reading.
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I don't know if I'd go so far as to say that in every case, because 'the laborer is worthy of his hire', but it certainly is a strong temptation.
We see it not only in the NAB (and the bishops' insistence that that be the only version used at Mass) but also in the music publishers like OCP and GIA . . . they would rather print copyrighted music by their own questionable modern "composers" than decent Catholic music that's public domain or under someone else's copyright.
But there's a new movement afoot in the Church to distribute music more freely. I hope it takes off.