One of the companies named in thr Bloomberg article does. They just deatroy your laptop if it was in the hands of customs without your supervision for any length. US customs explicitly included, which is kind of wierd if you ask me.
That’s perfectly expected. It’s not a stretch of the imagination to think border checks are abused for industrial espionage. If it gives your country a major advantge nothing is off limits these days.
My employer - doing lots of interesting engineering in among others the marine and aerospace sectors - certainly do that; we're based in Europe.
Basically, any device brought to the US and a number of other countries are issued for one-time use; if they leave our custody for even an instant, they are to be scrapped.