This has to be one of strangest targets to crawl, since they themselves make database dumps available for download ( https://en.wikipedia.org/wiki/Wikipedia:Database_download ) and if that wasn't enough, there are 3rd party dumps as well ( https://library.kiwix.org/#lang=eng&category=wikipedia ) that you could use if the official ones aren't good enough for some reason. Why would you crawl the web interface when the…
To cause deliberate harm as a DDOS attack. Perhaps a better question is, why would companies who hope to replace human-curated static online information with their own generative service not use the cloak of "scraping" to take down their competition?