That makes sense! One trick for that, if memory serves, is to increase your acceleration on the way down, but not on the way up.
Viewing post in Guardian of Arashima jam comments
Ah, I think I'm just misremembering tight corridor wall-jump examples (it's been a while!) combined with not being used to playing on a keyboard. I just booted up Celeste and Guardian of Arishima, and you're right– they behave really similarly. 😅
I was recently playing Dead Cells with a friend, which has a totally different mechanic of shimmying up the wall if you keep holding towards the wall, so maybe that was in my muscle memory!