>But Jesus wasn't just "a nice guy"
>He is God, who came to earth in human form to save humanity from the punishment that we deserve.
>While he was in human form, for 33 or so years,
No, Jesus was a regular guy just like you. Without understanding this you won't understand his teachings.
>There are many religions who acknowledge Jesus as a "nice guy" but Christianity acknowledges Him as The Promised Messiah.
See? What you wrote here makes no sense.
"Christianity" didn't exist. It's been created by (((them))) as system of control/sacrifice to keep the people enslaved.