There are new reports about how military age Chinese men worked to manipulate the election on behalf of Biden, and all the pro-illegal immigration proponents are on the Left, so this suggests they saw a similar electoral advantage with all illegals they wanted allowed in.
The alleged Chinese scheme to influence 2020 election for Biden that is currently being investigated by the Senate Judiciary Committee after finally being declassified by the FBI is most likely emblematic of what has been done to our country for a long time.
The CCP is alleged to have manufactured fake driver's licenses to be shipped to US to help individuals cast fraudulent ballots for Biden. This scheme is not much different than Dems attempting to cheat in the open by working to grant ID’s to illegals and seeking to allow noncitizens to vote.
Trump decided that the President should not commit treason, so he reestablished that America should be a sovereign country with borders and honest elections.