By themselves, no.
Сами по себе нет.
As a way to reintegrate themselves
Как способ воссоединить себя
They did it themselves. - Они сделали это сами.
thing-in-itself: (in the philosophy of Kant ) an element of the noumenal rather than the phenomenal world, of which the senses give no knowledge but whose bare existence can be inferred from the nature of experience
give someone enough rope to hang themselves: to give someone the freedom to do something in the way they want to do it, usually in the hope that they will fail or become weak by doing it the wrong way