They are regarded as 'rejected silver' because the Lord rejects them."

For who hath stood in the counsel of Jehovah, And seeth and heareth His word? Who hath regarded My word, and hearkeneth?

From all misdeeds wherein they have offended against me, I will cleanse them: And all their blasphemies which they have done against me, when they regarded me not, I will forgive them.

“Have you not noticed what these people have said? They say, ‘The Lord has rejected the two families He had chosen.’ My people are treated with contempt and no longer regarded as a nation among them.

for lo: I will make thee but small among the Heathen, and little regarded among men.