I suspect if Biden wins, they might rename ICE, sort of like how defunding police really means cutting their budget one year by 2%, and then putting it back the next year, or how the Cambden police were defunded completely.
It's pretty easy to fool a lot of folks into thinking you did something when you move deck chairs around.
It's a bit like Trump's wall thing which he famously promised. I stated at the time he means to build some wall somewhere, probably replacing parts that have deteriorated mostly, and getting a photo op to imply the entire border is now walled in.
Politicians say stuff but rather often they don't actually do much.