Are phishing simulation platforms (like KnowBe4) effective?

I am trying to get a better grasp of how organizations are maintaining security postures against phishing attacks, since it’s old news that phishing attacks are the main entrypoint vector in most incidents (starting with MGM, Caesar’s, Okta… to name the recent high profile ones). I am especially curious to learn about how effective you think phishing simulation platforms (like KnowBe4 or just building out your own GoPhish) are in preparing your end users against phishing attacks.

* Do you …

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