Why does he keep putting illegal immigration in scare quotes?
I noticed no one answered your question. Heather Mac Donald wrote of this in "National Review":
Postmodern “Rights” en Los Estados Unidos
She writes:
Unlike political protesters of the past, the illegal-alien marchers invoked no legal basis for their claims. Their argument boils down to: "We are here, therefore we have a right to the immigration status we desire."
In one stroke, the border-breaking lobby has nullified the entire edifice of American immigration law and with it, sovereignty itself.
No law has the power to confer illegal status on an alien law-breaker, they (the pro-illegal backers) say. Therefore, the existing laws are void — simply because the illegal aliens and their supporters do not like them, not because Congress has decided to withdraw them.
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So it boils down to this clown trying to impose a falsehood - that illegal immigration is a non-term - through threats of mob rule and the bold arrogance that the pro-illegal socialists seem to regard as acceptable behavior. Part of their bullying includes forcing people to accept their definitions and terms in order to skew the average citizen from logic and reason. Hence we hear them say "pro-choice" instead of "pro-infanticide", "differently abled" rather than "handicapped" and "undocumented workers" for "illegal aliens".
The entire premise of "political correctness" is, in itself, a successful scheme to make individuals conform to unnatural thinking and actions through the tyranny of non-deserved guilt and fear of ostracization. America's public schools and liberal colleges have been proactively instilling this Pavlovian response for nearly half a century. - NRT