I'd say this too. I'm giving LetsEncrypt 100% credit for making HTTPS so ubiquitous and free.
But CloudFlare certainly made things worse for "webmaster" era of the Internet, with everything centralized to CloudFlare. I live in Vietnam, and CloudFlare has made things super annoying with their captcha challenges everywhere.
Credit where it's due, CloudFlare pushed HTTP/2 and 3 adoption. More websites are available over IPv6, and their 1.1.1.1 DNS is actually quite nice.