[yawnbox]

"could someone please let me know why this is so bad"

thought police

unconstitutional (wouldn't it be nice if the USA followed its own laws?)

chills free speech

data linkability

i could go on

"If they were asking for passwords"

news flash https://www.wired.com/2017/02/guide-getting-past-customs-dig...

"Your social media info is Public"

false

"while you can easily say you don't have accounts"

do not pass go, go directly to jail. don't lie to DHS/CBP