I think everyone has heard of Bitocoin at this point. It's had very good media coverage this year and someone would of heard of it at some point. But I think adoption is a concern right now as the majority of the people who know about Bitcoin have dismissed it as a fake currency or a currency which is involved in crime. Which is stopping them from considering it as a legitimate currency.
yes of course but it is a topic that can be easily denied, every currency is used by criminals etc
tis is cnbc, at the end journalist make the objection that you point out and the response is clear
https://www.cnbc.com/video/2017/12/26/man-behind-massive-bet-that-bitcoin-could-hit-50000.html?play=1I think that this topic in not stopping people from buying or holding btc