I have had these scam delivery text messages. On one occasion, I almost fell for it because the scam text message coincided with an expected parcel delivery. The text messages randomly target people without knowing whether people are expecting parcels, but it undoubtedly succeeds in tricking some people who are genuinely expecting a parcel.
[1] Delivery text scams: the nasty new fraud wave sweeping the UK: https://www.theguardian.com/money/2021/may/18/delivery-text-...