One thing not mentioned but important is that superglue is very strong against tensile loads but not shearing ones. You can lift a car with six drops of it on the roof of it (see Myth Busters et al), but you can’t glue a 40 lb weight to the wall.
“Not actually used structurally due to its brittleness (low shear strength) Use for small repairs that are not subject to much stress or movement”