First the OTC is for trading not investing and never invest in Form 15 company. Investing in a company that doesn't file audited financials with the SEC is a great way to watch your investment disappear.
And Buffett was talking about exchange Traded stocks not a sub-penny OTC stock that is from a hijacked shell.
There has never been a successful hijacked shell - they are always about insider enrichment.
This is what Buffett says about investing in penny stocks:
"Rule #1 is to never lose money. Rule #2 is to never forget Rule #1.”
Those that are married to a penny stock are exactly what guys like Cooley/Sanchez are looking for - because those preaching patience will believe any of the pumping nonsense.