καὶ ὅπως ἂν ὦσιν ὡς πιθανώτατοι λέγειν: what clause is this? final?
i think Plato as usual twisted the normal order: ὅθεν καὶ πᾶν ποιοῦσιν ὥστε δίκην μὴ διδόναι μηδ᾽ ἀπαλλάττεσθαι τοῦ μεγίστου κακοῦ, καὶ χρήματα παρασκευαζόμενοι καὶ φίλους καὶ ὅπως ἂν ὦσιν ὡς πιθανώτατοι λέγειν:
this ὅπως ἂν ὦσιν ὡς πιθανώτατοι λέγειν: belongs after ὅθεν καὶ πᾶν ποιοῦσιν so that the correct order would be: ὅθεν καὶ πᾶν ποιοῦσιν ὅπως ἂν ὦσιν ὡς πιθανώτατοι λέγειν καὶ χρήματα παρασκευαζόμενοι καὶ φίλους ὥστε δίκην μὴ διδόναι μηδ᾽ ἀπαλλάττεσθαι τοῦ μεγίστου κακοῦ,
for what reason does he always twist the order?
It all seems in order to me. καὶ ὅπως ἂν ὦσιν ὡς πιθανώτατοι λέγειν serves as a third object of παρασκευαζόμενοι. (For ὅπως ἂν see Smyth 2201.) It’s true that this concluding participial phrase is tacked on rather, but it doesn’t strike me as twisted.