Berkshire Hathaway is smart in the fact they only take trades they fully understand. They historically stay away from tech companies. A good example is how they passed on Amazon in the early days. They also are such a massive investor they can't invest in small market caps without affecting the price in the short term. Everyone's strategy is different and bitcoin is not at a place where Berkshire wants to invest so they say it's rat poison.

That doesn't mean it's a bad investment for us. Why would the taxi company invest in Uber or say good things about it? It challenges the current system and only takes money away from their precious stock market.

Keep calm and buy bitcoin.