I don't know where you live but that's the logical thing. I mean if you are in a sales department and aren't able to meet your quote then... bye bye! The companies owners never lose. They don't hire you because they feel sorry but because they can use your skills. If you can't meet the requirements then better step aside. Even if you live in a country with a kind of law that helps you to stay in your job they will find a way to make you feel uncomfortable in order to make you resign.
That's why nowadays we heard so much about emotional health and resilence courses.
That's not the inmigrants fault but the government and employers ones.
For example we have a bunch of Venezuelians where I live, can you blame them?? And many of them are capable enoguh to work in fields live health or sales, because they already have a degree even a master or is just in their culture to be polite and warm towards people (I don't know). What I am trying to say is that people sometimes believe that inmigrants are just the housekeeper or the waiter and I find that pretty racist (or is it xenophobic in this case? Just to be clear in am talking in general)
Also many inmigrants contributed to the economy of the country being able to create their own companies. There a relots of example in the U.S. (where I don't live lol...but still) Because sometimes when you have nothing to lose, you are more greedy, and more adventorous. (I mean like all the cases of people that were bornt poor but end up millionaire, sometimes that harsh environment helps you to want to be more. And sometimes not, but you get the idea).
In my country it is more important to please big business lol, yay for plutocracy!!!
The theory is simple just give bread to the poor ones so they don't bark enough. (Sounds horrible, rigth? But it still works)
I suppose one thing is the theory and another everyone's reality.
I mean governments aren't supposed to be corrupt to begin with...lol.
Also we live in globalized world and if you close your borders you are just living in a bubble, and are missing the chance to be competitive in others fields where you can excel (I am talking about countries here).
Don't worry I like to write what I think when I feel like it. I am in favor of free speech