https://www.law.cornell.edu/uscode/text/8/1325
Where do you face 6 months in jail for a parking ticket and 2 years in jail for a second parking ticket?
CBP practices catch and release for two reasons.
1) Political. The executive branch, regardless of which party holds it, has not wanted strict enforcement.
2) Resources. Nobody wants to pay for the jail time, the courts, etc. to actually enforce the law.
Even with you being wrong, that's not the main problem with your statement. A country without enforceable borders lacks sovereignty. While I'm against the wall due to ineffectiveness, I'm quite for an enforceable border policy. The resources would be much more effective in deterring illegal entry spent on making entry less attractive. Making it impossible for illegals to gain employment, risking imprisonment before ejection, etc. are going to do more than a wall we lack the resources and will to enforce.
Winner....shut down the thread.