There is a simple solution that will end illegal immigration in days: Anyone employing an illegal worker gets jail time.
The problem is no politician not DeSantis not Trump actually wants to prevent our farms and factories from employing illegals.
Then you get into the whole business of how American workers won’t do certain jobs, such as farm work ,and being maids in hotels, and other such industries that are dominated by foreign-born people
Seasonal worker visas make sense but should require paying US wages and benefits transparently not lower rates off-the-books. Beyond that and we get more fraud like H1B.