could be related to policy standardisation, but the powers are quite new, enacted in the last couple of years.

to little fanfare, of course.

they are already being used to harrass journalists

see: https://www.theguardian.com/uk-news/2023/apr/18/french-publisher-arrested-london-counter-terrorism-police-ernest-moret

arrested for not giving up the passwords to his devices

this can happen to anyone who crosses the aforementioned borders

all you can do is to use empty "travel" devices, or perform full reset and restore after you get through the border