As Trump's (terrible) border policies show, the wall was never necessary; only iron fisted and merciless policing was needed to essentially close off the border

As Trump's (terrible) border policies show, the wall was never necessary; only iron fisted and merciless policing was needed to essentially close off the border. I said it for years that policy and tech were all that were needed to control it, along with well needed revised and improved immigration policies. Looks like only the former was instituted, so now we're doomed to stagnancy and decline