"But in patio, lawn, and garden equipment, sports equipment, kitchen and bath fixtures, and numerous other areas, they're never going to have monopoly power."

I don't get it. The author doesn't provide enough rationale for this prediction at all, other than the vague notion that Amazon's trying to do too much. (Given they've successfully move into cloud hosting services, it's hardly a stretch to suggest they can move from selling books to selling garden equipment.)