Why is #Cloudflare bad?
They sit between the user and 33% of websites[1] now, where they:
a) get to decide who is served content and who isn't,
b) decrypt https traffic and see its contents.
People on dynamic IPs, public WiFi and #Tor users are the main groups affected by (a).
Everyone is affected by (b): #Privacy #Security
I'll let unixsheikh explain the details:
https://unixsheikh.com/articles/stay-away-from-cloudflare.html
Be sure to check "Recommended reading" as well.
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[1] 3280/top 10k -> https://backlinko.com/cloudflare-users