Copying Trump is not going to get Democrats anywhere. It seems like some people want Democrats to start supporting segregation laws to start winning. If Democrats started talking about mass deportations, they would seriously be dead.
But of course, let's nominate David Duke in 2020 and see the party have a huge landslide.
No need to talk about it when Obama has already done mass deportations without talking about it.
When 91% of those deported were previously convicted of a crime, it makes a whole hell of a lot of a difference.