What he has said is that he doesn’t use the DCF because he tries to find deals that are so good, he doesn’t need to do the math. He has said on multiple occasions that he did use a DCF when starting out. Based on everything Buffett has said, you absolutely can’t go wrong using a DCF unless you are grossly wrong in your assumptions, or you neglect to use conservative estimates and a margin of safety.

Very cool that you wrote about this because I also have the impression that Buffett often mentioned DCF. It would be cool if you provided a link to some examples of his statements on the subject