[bluesign]

Illegally = like smoking weed in Amsterdam

Except few countries, all EU countries tolerate this

[lelandfe]

Although the EES biometric system that just got added is intended to crack down on this

Despite being required to, most crossings I did recently did not use it, though

[bluesign]

I think it is more for overstays. Years ago when I asked about my stayed days ( I was traveling a lot ) , border guard took passport and tried to count then gave up