Is it just me, or is it extra unethical and self-serving when crawlers from say Amazon(Bot) decides to incessantly crawl AWS hosted websites? Same goes for Goog

Is it just me, or is it extra unethical and self-serving when crawlers from say Amazon(Bot) decides to incessantly crawl AWS hosted websites? Same goes for Google and Microsoft crawlers crawling GC and Azure. By that, I mean the types of crawls that can hog up significant usage.