I'm not sure whether the quantity of deportations would have to do with the reorg, or if it has more to do with overall executive policy (or other factors).

Regardless I don't think there needs to be a dedicated police agency dedicated to the internal enforcement of immigration. Whatever enforcent does take place does not need to be conducted by a militarized agency (which, is my primary concern with being part of "DHS"). ICE is already have been shit for a long time, not to mention the 2018 calls for "abolish ICE" because of the "kids in cages" (which were built under the Obama admin) which was already the correct call.

They don't offer anything useful, even when they don't have Trump's trillion dollar funding package. Toss them and start over, it isn't even a big deal.