That is better, even just as a calculated marketing notion. The trailer didn't actually have the slogan, just very traditionally wholesome Superman imagery, stuff like Supes being saved by a happy superdog, taking a big hit to save a child, hanging out on the Smallville porch with Pa Kent, that sort of thing. There are also at least two costumes in the trailer, and one of them is very old-timey with square-cut trunks.

Seems like Gunn has been tasked with channeling the Christopher Reeve movies and rebooting the Justice League (hopefully not entirely in in a single movie again), and doing all of it with more heart than the Snyderverse take on DC. Tall order, but he has shown he knows how to deliver the Superhero goods that the studios want while playing around on the edges enough to keep the formula fresh, so I might actually watch this one.