Please tell me this is Swiftian irony and you are playing Devil's Advocate for the sake of conversation.
To play with the idea of Swiftian irony, destroying the privacy of non-Americans to protect America from threats real or presumed may work... in the same way selling the children of the poor for meat would solve certain problems.
" if it wants to end or prevent terrorism through
surveillance."
TBH I just want them to end or prevent terrorism through good old fashioned detective work and only rely on surveillance into private spaces when they have a warrant issued by a court.