Are USB charging ports on table lamps actually useful?

Verified-purchase reviewers consistently call built-in USB-C/USB-A ports and an AC outlet a 'game-changer' for nightstands, since they replace a separate charging brick. One caveat surfaced in specialist USB-C communities: some lamps advertised with USB ports ship only USB-A jacks at slow charging speeds, so check the spec if fast PD charging matters to you.