Warren buffett is a successful investor.But at the same time,he has knowledge only about traditional businesses and so he invests only in such fields.He does not know about technology related fields and so he does not invest in it.So,we should not give importance to his words about bitcoin as he don't know about it clearly.

Price of saudi is in power and he would not like a decentralized currency like bitcoin to gain importance as they would not be able to control their citizens enjoying financial freedom.