Probably anyone reading this realizes it's 100% consistent, so "late" plausibly because anyone following the FSF doesn't need the RAIL-specific statement. I'm pretty sure there are earlier express statements but the obvious ones are https://www.gnu.org/licenses/hessla.html (2002) https://www.fsf.org/licensing/20050211.html https://fsfe.org/activities/gplv3/barcelona-rms-transcript.en.html#q11-banning-bad-use (2006) and https://www.gnu.org/philosophy/programs-must-not-limit-freedom-to-run.en.html (2012).