The writers of the Psalms of Solomon do not see the descendants of the Hasmoneans as the fulfillment of the prophetic hope for a good, righteous shepherd king in the tradition of David. Their protest is against the current regime (whatever the date) is in the tradition of prophetic condemnations of Manasseh in the Hebrew Bible.A couple of books on the Psalms of Solomon have been noted here and here
Past posts in Phil Long's series on the Second Temple Period are noted here and links.