Easy to fear what you merely imagine.

Did you know that for train and bus travel in the UK bags are not scanned? And we don't have people bombing trains and buses all the time.

Some museums look in bags and some don't and I'm not sure there's a statistically significant difference in how frequently they get bombed.

Wait until you find out that even when scanning everyone's bags, the TSA's failure rate is around 85%: https://abcnews.com/US/tsa-fails-tests-latest-undercover-ope... Granted, this article is almost 10 years old. Even so, I highly doubt that this administration is willing to test (or report) the TSAs effectiveness.