In this case there are >6bn pages with roughly zero value each. That could eat a substantial amount of time. It's unlikely to entirely trap a crawler, but a dum

In this case there are >6bn pages with roughly zero value each. That could eat a substantial amount of time. It's unlikely to entirely trap a crawler, but a dumb crawler (as is implied here) will start crawling more and more pages, becoming very apparent to the operator of this honeypot (and therefore identifying new crawlers), and may take up more and more share of the crawl set.