before, courts followed a doctrine that said "if there's uncertainty about whether an agency rulemaking is allowed, defer to them". Now, that's gone. It'll mean more litigation in federal court for agency rulemakings, which are a major part of the US regulatory appartus.
boss: I need a ballpark estimate of system implementation of rule fu.666 on toxic emissions(pending in conference). before lunch.
me: staring at 120 years of administrative code, reading 3 sentence rule proposal.
me (5 minutes later): 100000 hours, give or take