Somebody's sarcasm meter is INOP....I'm assuming you're gainfully employed by one of these fine federal agencies. For full disclosure I too derive my livelihood out of Uncle Sugar's money, so I'm not one to chuck spears at the next door neighbor without disclosing my laundry.
I think the overarching point made was that CBP is another DHS. 'Jousting at windmills', 'self-licking ice cream cone', 'jobs banks', pick your moniker...The mexicans and pretty much everybody else except those employed by said agencies down here in the Mexican border laugh at the cat and mouse game. It stops nothing. But it makes for a pretty steady paycheck which is great for the economy. Is it worth defining an unattainable and mis-defined mission goal in order to justify the expenditure and salaries? Only the taxpayers can say ultimately. Everybody with a lick of common sense recognizes these socioeconomic problems get tackled with economic policy that reaches the vast suburban backyards of the private employers that benefit from immigrant labor. It has nothing to do with how much you spend in ammo and helos for another Deputy Fife agency, cool and self-validating as it may appear to be. But we'll never tackle the "problem" that way because it is politically unpopular. So "support our LE" it is, which is universally politically neutral.
The movie "airplane" some 22 years ago had already made reference to the difference between security and the perception of security in the scene where the old lady gets frisked while the cuban revolutionaries cross the metal detectors with RPGs. These dynamics are not new.
I've been stopped by the CBP at the lake down here, with my military crew cut and pasty skin among a sea of bronze skin down here, and though I appreciate their appearance of thoroughness in their investigation of me and my suspicious "vessel", a jetski LOL, they're ultimately jousting at windmills for a paycheck and we all know it. They can't stop the wave by holding their collective hands out if their lives depended on it. The ultimate collective effect is merely a federal wealth transfer in expenditures and salaries that support businesses to these impoverished local Texan border economies where none would exist otherwise, and placebo aka the perception of security. FWIW Not the only inefficiency in our government spending, to be fair to the CBP proles.
So yeah, garitas would probably be a cheaper alternative to attain the same collective strategic result, IF federal wealth transfers to non-competitive border economies were not the end goal.