On the immigration front, please note that Obama deported more or about-as-much migrants per year than Trump in 2025. I don't really get why democrats oppose this, while they cheered the same policy a decade ago.
The problem isn't deporting illegal immigrants, the problem is revoking legal status, abusing detainees, hurting people on the street, and the occasional murder.
Obama years had also the same kind of abuse and killings by the border patrol. At least 56 recorded deaths of immigrants caused by ICE and custody[0]. Some murders were settled to avoid a trial.
Protests against ICE were much smaller then (billionaires didn't fund NGOs to organise them either), so it was easier for the agency to operate as well, and it was quickly memory-holed.
Trump has to deal with the aftermath of the Biden years, where unauthorized immigrant population reached 14 million in 2023. It is also harder to expel them if they are inside the US rather than at the border.