There was no "foreign invasion".
Are you actually quoting someone here or just refuting political hyperbole?
Not really sure what your point is here.
Trump himself has labelled the issue as an "invasion". But that is not what the issue is. There is no organization behind the influx of immigrants, no attempt to alter the politics of the U.S. So calling it an "invasion" is just scare tactics he is using to justify fascist tactics.
They were...providing a pool of necessary labor
Thereby driving down the labor rates of the sort of working class whites who recently
realigned behind the GOP after generations of backing the Democrats.
Ah where to begin...
First of all, as is commonly pointed out, illegal immigrants often do the jobs that natural born Americans (even unemployed ones) are unwilling to do. In other words, its a separate labor market.
Secondly, in the last year of Obama's tenure (before Trump torpedoed the economy in his first term), the unemployment rate was below 5%, real weekly earnings and median household income were both increasing by over 4%, and job openings were increasing. (See:
https://www.factcheck.org/2017/09/obamas-final-numbers/) And all this was done under "lenient" immigration rules (at least compared to the TrumpReich). If illegal immigration were driving down wages, it didn't really look like it.
Thirdly, can I point out the stupidity of a working class white voter deciding "I don't like illegal immigrants driving down wages, so I will vote for a republican party that is against minimum wage increases and wants to stick tariffs on things that will drive up my personal costs"?
Fourthly, even if you could somehow justify the claim "illegal immigrants drive down wages for hard working americans", they also drive down prices. It is thought by many economists that Trump's anti-immigrant policies could drive up inflation. (See:
https://finance.yahoo.com/news/trump-deporting-many-immigrants-could-090000185.html). So those "working class whites" will see their expenses go up, likely by more than their incomes would.
In other words, my original point still stands: Illegal immigration was not a real problem. It is a manufactured one. And its hard to "do something" about a made up problem, especially since doing so can make things worse.