A loving God warns and warns as rebukes are given to the living for our good as in "choose life".
O that all men of all times were afforded this opportunity to "choose." Billions have likely lived and died throughout the ages that never had the 'priviledge' of know of or about God and God's commands. This lack of knowledge stood between them and their ability to make the choice you spoke of. That's not even mentioning the millions that have been mentally handicapped, died as children, etc.
Jesus wasn't sent to punish but to bring Gods salvation.
Jesus was apparently sent to proclaim the nearness of the Kingdom of God, to collect those that would have a part in that Kingdom, to live and die as to become worthy of being the King of God's Kingdom, and to conquer death so mankind could have the hope of age-lasting life under the reign of the Kingdom.