Good. From day 1 DHS has been the most Orwellian department of the US government, which casually violates our freedom on a regular basis. The entire department should be abolished.
The list goes on. There's 24 years of history you can comb through. The DHS' security theater exists solely to compromise the constitutional rights of American citizens. To this day there's no evidence they're even that successful at their job. The fact the impeachment of Mayorkas failed was quite mind-boggling but characteristic of a government that doesn't truly believe anyone, even citizens, have certain inalienable rights.
The DHS was and still is bipartisan. It's America's Staatspolizei.
You know that things you posted about border and airport searches are absolutely not gonna go away with this move. Under this gov ingress control can only intensify, DHS or not.
What did stop is some pretty important recent cyber attack reviews and that seems to touch China's interests.