MatrixAlgebra

They don't say "no" unqualified. They say the focus of the site is to build a knowledge repository, rather than being as nice as humanly possible.

Complaints about SE "toxicity" seem far overblown. If someone doesn't take the absolute most possible and delicate care in disagreeing with someone else, that's not "toxic".

There are hundreds of thousands if not millions of Spanish speaking people and families living in LA, NYC, Miami etc. Many business in the area offer their services in Spanish, and there are enough entertainment options in Spanish that there isn't much of a need to learn English to get by day to day.

Bad idea.

A steady trickle of immigrants is much better because then it forces cultural integration, especially when the immigrants do not speak English. A flood of immigrants will lead to a nation divided among cultural lines without the possibility of integration because the cultural bubbles will have already been established.

We should focus on helping impoverished nations develop, so people don't have to leave from their birth countries to find comfort.

For most it is. For some it is not.