This an indication that investors old school investors open up their mind about investing in this new digital currency that's possible to giive more income profits in the future much more risk but much more earning if the they know how it digital currency works.
Not all of them at least but we can imagine if most of them talks about bitcoin in a bullish way. What would be the effect? it will show on how bitcoin's greatness again when most of them talks that way.
As an old school investor he understands what is going on, unlike Warren Buffet.
Warren Buffett is already old and doesn't really go through with the fundamentals about bitcoin and on how amazing it is as an investment and store of value, he wants to stay focus with his traditional investments. It would be surprising if one day he changes his mind.