Surprisingly, the song argues that life on Earth could be heaven if humans stopped acting maliciously. The main refrain is a call to stop fighting and to see that Earth itself is a paradise if properly cared for.
It involves shifting focus from minor, daily frustrations to a broader, eternal purpose. If you want to dive deeper into this,
Bo Burnham's song "From God's Perspective" is a satirical take on religion, presenting an arrogant, detached Deity who is unimpressed by human behavior and theological squabbles.