I suspect parent-poster simply intended to write OMB [0] instead. Perhaps because both initialisms [1] refer to government groups that sometimes publish important reports about budgets.

[0] https://prospect.org/2026/02/05/doge-russell-vought-elon-mus...

[1] Pedantically: Not acronyms, which are spoken like a full word. Ex: FIFA is usually an acronym "feefah", not an initialism "Eff-Eye-Eff-Aye".