Massively unpopular? I doubt most people are aware of them, and many would be in favor for protecting us from terrorism/drugs.
https://www.pewresearch.org/fact-tank/2019/11/15/key-takeawa...
I would guess that "Do you oppose government data collection?" would get different answers than "Would you support government data collection at the border in order to try to curtail illegal immigration and terrorism?" which is how this administration will likely defend this.
My first comment on the issue was a question and my second one was prefixed with "I would guess...". I don't know how you can read either of those comments and assume that I am stating anything definitive.