Let them jest! The last laugh will be to the bank 
As with any cutting edge technology, there will always be a firm core of naysayers. Bitcoin is the ultimate disruption of traditional finance. They won't let all of that go without a respectable effort.
Only time will tell how Bitcoin performs, and all the indicators point to a bullish future!
Yes, i agree on you. Just let them joke about it, its there choice. We should not force people to believe in, the important is that we understand all about this business and we earned in this business which can help us financially. We should not be affected by those people with negative disposition about bitcoin, later they will realize that they should have been with us.As with any cutting edge technology, there will always be a firm core of naysayers. Bitcoin is the ultimate disruption of traditional finance. They won't let all of that go without a respectable effort.
Only time will tell how Bitcoin performs, and all the indicators point to a bullish future!