The interactive examples are super fun. Hidden in there is also a link to the author's procgen terrain generator/viewer: https://r3f.maximeheckel.com/sdf6
The inline examples have editable code, but that one's kinda nice because you can just tweak a few knobs.
"Gentle introduction" is a pretty typical phrase, meaning more or less that the acceleration curve of learning is a gentle slope. That one doesn't irk me.
"Gentle study" is a bit unusual.
"Gentle ping" or "Gentle nudge", and especially "Gentle reminder", are starting to get a bit more annoying, but I think the intention there is try to convey the opposite of being demanding, but over a textual medium. ¯\_(ツ)_/¯
The inline examples have editable code, but that one's kinda nice because you can just tweak a few knobs.