Earlier quoted context omitted.
Just because you can hit a backend without a rate limit, doesn't mean you should . In my experience, government IT is very humorless about this sort of thing. Far better to blend in with normal traffic than to stand out as a bad actor.
"Your honor, the defendant took steps to hide their activities, showing that they knew it was wrong"
X-Crawl-Reason: Finding spare license plates, throttled ONLY to prevent service disruption. To the best of my knowledge, [legalese claiming good faith and compliance to all applicable laws]
(Mandatory disclaimer: IANAL, ignorance is no excuse for breaking laws)