Why do you think that no one is willing to buy bitcoin? Bitcoin is not popular nowadays
Hell no!, bitcoins popularity literally has spread all over the globe,with adoptions in more and more countries and continents,even the government is adopting it's underlying technology(the blockchain technology),as it has been used to conduct elections in some countries..
The demand for bitcoin only drops when prices drop,as users try to cut down on what they feel could potentially be a loss..
This fear and uncertainty been created right now as a result of a downturn price is one reason why the demand has dropped,but looking at the btc charts,we can be hopeful of a recovery definitely