Is this functionally different from the US immigration authorities asking to inspect a person's social media content on their cellphone/laptop when entering the

Is this functionally different from the US immigration authorities asking to inspect a person's social media content on their cellphone/laptop when entering the US ? Not just from "hostile" countries like Iran but occasionally from visitors from Canada ? I know at least one Canadian born citizen (had an Islamic name ) who was asked to reveal their social media profile and had their smartphone searched