Select all - selects locked layers

I have a bunch of illustrations in two different sizes & I would like to change the stroke thickness for the smaller size. I've locked the larger illustrations, but when I select the stroke type I would like to change and hit -> "select all with similar stroke" it also selects the locked layers of the larger illustrations… How can I avoid this or does anyone know a workaround? Grouping in frames or sections or hide the layers doesn't help either and renaming the layers is crazy work as there are thousands of vector layers in those illustrations + their variants. I don't understand the purpose of a locked layer if I can still edit it? I can't even easily drag-deselect as that option doesn't exist in Figma AND shift clicking the main frame to deselect the object and its children doesn't work because… the layer is locked 🤔 Unless I'm missing something, this is quite the catch-22!