Well during Biden's administration it was like that. Now that Trump came into office they already stopped coming.

https://www.youtube.com/watch?v=-MPcGL3Tfac

Here they explain why immigrants rather chose the illegal path opposed to the legal path during Biden's administration.

Now even before Trump came into office, the stream of illegal immigrants have already almost completely stopped:

https://www.nytimes.com/2025/01/18/world/americas/migrants-t...

So yeah, we can argue about the details, but it is clear that during Biden's administration it was way too easy for illegal immigrants to get into the US, which is unfair for the legal immigrants that went through much more trouble to get there.

Aside from that, the constant flow of illegal immigrants also caused a lot of issues in the states near the borders, and obviously for the country as a whole.