The shingles themselves look great. The installation is terrible, right over the top of old shingles and not even fully covering the old shingles. It's not edge

The shingles themselves look great. The installation is terrible, right over the top of old shingles and not even fully covering the old shingles. It's not edge-to-edge. Either it was a dumb install, or those "shingles" aren't really roofing material.