Yeah, MacDonald was a universalist, and I concur.
There are some great books going into arguments for/against Christian Universalism.
https://www.amazon.com/All-Want-Know-About-Hell-ebook/dp/B00EQE3FJE
https://www.amazon.com/Four-Views-Hell-Counterpoints-Theology/dp/0310516463
https://www.amazon.com/Evangelical-Universalist-Second-Gregory-MacDonald/dp/1620322390