This is more like "just increase friction". For some people it's more than enough, for others it's barely anything. Personally speaking, I've found that just the act of removing the reddit app from my home screen makes it fairly less likely to be opened, as now I need to open my app drawer.
I mean... unironically yes. Different people have different levels of struggle with temptation, and one can pursue strategies to make it easier to say no. But at the very core of the matter, it is a personal choice that must be made by the individual. Everything else has to flow from that first step of self accountability.