What's the use case where bezels are inconvenient? For me I want natural delineation of workspace. Being able to snap applications to 3 physical boundaries ma

What's the use case where bezels are inconvenient? For me I want natural delineation of workspace. Being able to snap applications to 3 physical boundaries makes it easier for me to organize my work, vs one massive display where every window is floating arbitrarily. I'm not saying those are the only two options, I'm just curious what the downside is, specifically with productivity use. I feel like if I had a 50" concave display, I'd want my window manager to have some kind of logical organization similar to what I'd have with multiple monitors anyway.