"Sequoia presumably only ends up invested in only a small # of companies from YC, so saying their success is based on Y Combinator is logically incorrect " I'm

"Sequoia presumably only ends up invested in only a small # of companies from YC, so saying their success is based on Y Combinator is logically incorrect " I'm unclear how a headline that says "The Big Winner from Y Combinator’s Success? Sequoia Capital" is the same as "so saying their success is based on Y Combinator is logically incorrect" I'm not seeing anything that claims that Seq's success is based on YC.