> Sure, right now the democrat policy is letting migrants in so that they vote for democrats.

First of all, new migrants can't vote without becoming citizens. So even if it did increase Democratic votes, it would be on a much longer timeline.

Second of all, the last democratic presidents actually did a better job of returning migrants, just without all of the drama and commotion: https://www.migrationpolicy.org/article/biden-deportation-re...

The reality is both parties are currently tough on illegal immigration. But one party is overtly nationalist about it.