https://www.govinfo.gov/content/pkg/COMPS-1071/uslm/COMPS-10...
That means that the President can’t wipe it out as an independent agency unilaterally. He could go to the members of his party in the legislature and ask them to create a bill rechartering the agency but then it would get public debate and they’d have to own what they’re doing, so he took the path of daring anyone to enforce the law. It’s like hot-wiring your buddy’s car because you don’t want to ask if you can borrow it, except that it’s disrupting millions of lives.