From the introduction of a larger work of a post-Exile prophet, we read of the intended mutuality between God and his people. This is covenant:
Return to me,
says the Lord of hosts,
and I will return to you,
says the Lord of hosts.
Do not be like your ancestors,
to whom the former prophets proclaimed,
‘Thus says the Lord of hosts,
Return from your evil ways and from your evil deeds.’
But they did not hear or heed me. (NRSV)
Zechariah lived in a heady age. The exiles had returned from Babylon, and the restoration of culture, religion, and Temple were works in progress. Remember the past for its mistakes, but realize the invitation to return to God is always open.