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Cloudflare blocking Pale Moon and other browsers with smaller user bases
(www.theregister.com)
This is a most excellent place for technology news and articles.
Yes, the industry is well aware of this. We do behavioral detection on both sessions and IPs. This is fairly basic.
Yeah, it's fine as long as you don't block legitimate users. For example, when I use a VPN a lot of sites block me. Even when my actual IP is banned when I'm in China (4chan range bans Chinese IPs) or the website is blocked in China.