1) The wallet is coming out "soon" here is a link to the demo in case you missed it
https://vimeo.com/230216202
2) There is a real need for DEX with all the censorship and price suppression going on from CEX
3) Waves and Bitshares are already currently valued at over 500M and 350M
4) NVO holders are entitled to 50% of all transaction fees as per the whitepaper
5) There is just not that much NVO on sell right now...you might have to pay 10x soon  

and then there is that; https://twitter.com/officialmcafee/status/918500553965129730?lang=en