Its not just like you get refused entry and get sent on a return flight, there is risk of incarceration, rummaging through your digital life etc. It could be very disruptive and negative.
The risk of being turned away at the border always existed.
Yes it’s drastically increased now, but that’s a quantitative change which will have a quantitative effect.
What we are seeing now is a qualitative change in traveling behavior and that’s reflecting the qualitative change in the severity of punishment that may occur if there is a problem while trying to enter.
You are also asked if you have ever been denied entry into a country when travelling abroad. Even if nothing else happens and you do just get flown straight back, it can make future travels harder.
