They may think it is the future, or they may think they will find a next greater fool. Either way, it is a bubble for certain, and the risk is not worth the ...
source https://www.google.com/url?rct=j&sa=t&url=https://www.bogleheads.org/forum/viewtopic.php%3Ff%3D10%26t%3D269793&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGcEbTSuDwxN_8lC-at_C6-0RWNLA
