[hfdgiutdryg]

Why not apply that logic to digital devices?

They did, at least according to the article. But it's a low hurdle, and cops quickly figure out the script to bypass restrictions like that.

It's no different than the mishandling of trained drug sniffing dogs so that they alert at the handler's command, rather than at drugs/bombs/money/whatever. Countless cars are stripped at border crossing and the side of the road because a cop didn't like someone's attitude.