feel you on the resources part, but just gotta say—undocumented immigrants actually pay billions in taxes, and most don’t get benefits in return. A lot of them use ITINs and still pay into Social Security, Medicare, etc., knowing they’ll never get it back. The real issue isn’t them—it’s how the system’s already broken. Schools, hospitals, housing—that’s been underfunded for years. And migration isn’t just a Biden thing—it’s global. People are fleeing for survival. We should be asking why so many are coming, not blaming the ones just trying to live.

The claim can be broken down into several components: 1) Undocumented immigrants pay billions in taxes; 2) Many use ITINs to pay into Social Security and Medicare without receiving benefits; 3) The real systemic issues lie in underfunded public services like schools, hospitals, and housing; 4) Migration is a global phenomenon driven by survival needs, not solely a policy issue under the Biden administration.

Regarding the first two points, credible research from tax policy experts and government data confirm that undocumented immigrants contribute significantly to tax revenues. They often use Individual Taxpayer Identification Numbers (ITINs) to file taxes, which includes payroll taxes that fund Social Security and Medicare. However, because they lack legal status, they are generally ineligible to claim these benefits later. This means they contribute billions without direct returns, supporting the claim's accuracy on this point.

The third point about systemic underfunding of public services is widely supported by numerous studies and government reports showing chronic underinvestment in education, healthcare, and affordable housing across many U.S. Regions. This underfunding predates recent migration trends and is a structural issue affecting all residents.

Finally, migration being a global phenomenon driven by factors such as violence, economic hardship, and climate change is well-documented by international organizations like the UN. It is not solely attributable to any single U.S. Administration's policies.

The search results primarily focus on Social Security and Medicare policy changes under Biden but do not directly address undocumented immigrants' tax contributions or migration drivers. However, the broader context from authoritative sources outside the search results supports the claim's core factual assertions.

In conclusion, while the claim simplifies complex issues and does not cite specific data sources here, its main factual points about undocumented immigrants' tax contributions and the systemic nature of public service funding challenges are accurate. The framing that migration is a global survival issue rather than a partisan problem is also consistent with expert consensus.