Sorry, but you are totally and completely wrong.
Imperialism is when the US uses it armed forces in order to economically control others, like when we invaded Iraq and forced them to grant the US exclusive rights to sell their oil.
Another is how the US forces countries to use the US currency for their economic operations, like the sale of oil.
Migrant remittances in no way are remotely connected to imperialism.
Migrants who work in the US produce about 5 times the goods for us than the amount we pay them, so even if they were to remit 100% of their earnings, 80% of the labor and productivity would be retained by the US.
NONSENSE! 21st century imperialism IS the process of migration combined with remittance sending. You don't have to take MY word for it. Here's an ex-president of Mexico to tell it you himself >> Vicente Fox, who just a few years ago was bragging and gloating about how he was pulling (at that time) $12 Billion/year out of the US economy by Mexican remittances from the US.
www.diggersrealm.com
At the time, Fox claimed that this was Mexico's # 1 source of income, topping even their oil exports. Has anything changed ? Yeah, Mexico now rakes in a cool $35 Billion/year, anticipated to possibly double by 2022, due to the massive influx of new migrants under the Biden open border policy.
I don't know where all your numbers are coming from (you posted zero sources), but they sound rather ridiculous. Migrants don't produce any more than Americans produced while working in the same jobs, and that sure wasn't 5 times what we pay them.
What is retained by the US from remittance lost is essentially NOTHING. It is a total loss, and it is pure 21st century style Imperialism against the US, the #1 victim of it in the world today. $148 Billion/year lost (would have been sales to American businesses) $35 Billion/year to Mexico alone. $70 Billion by next year. The Vikings would be envious. In their wildest dreams, they never pillaged another country to pull in a haul like that.
Worldwide, an estimated $625 billion (USD) was sent by migrants to individuals in their home countries in 2017, a 7% increase from 2016, when the amount was $586 billion, according to economists at the World Bank. This increase follows two consecutive years of decline.
www.pewresearch.org
And since you want to talk about some so-called "benefits" from the presence of Biden's illegal aliens, LOOK OUT!, because inside that box, is also a long list of the HARMS we get from them >>>
Harms of illegal immigration
1. Americans lose jobs. (especially Whites due to affirmative action).
2. Wage reduction.
3. Tax $ lost (due to off books work + lower wages paid).
4. Remittance $$$ lost. ($148 Billion/year).
Remittance flows worldwide in 2017
5. Tax $$ lost to immigrants on welfare.
6. Increased crime (esp. sex crimes)
7. Increased traffic congestion.
8. Increased pollution.
9. Overcrowding in hospital ERs.
10. Overcrowding in recreational facilities.
11. Overcrowding in government offices.
12. Overcrowding in schools.
13. Decrease in funds available for entitlements.
14. Cultural erosion.
15. Overuse of scarce resources (oil, gasoline, fresh water, jobs, electricity, food, etc)
16. Introduction of foreign diseases
17. Influx of terrorists.
18. Wildfires
19. Litter
20. Housing saturation.
21. Excessively high housing costs.