Trump didn't try to "end" the program. His administration straight up wanted to close the borders to interns, skilled workers, and their relatives. That goes far beyond H-1B visas.
> All these sob stories about why we need cheap, exploitable labor to undercut American workers.
This is not how the H-1B program works.
Also, they didn't try to stop agricultural workers from entering the US. If you really want to focus on "cheap labor", you may want to start there.