Then it’s obvious,, someone is promoting other coins.. Mr. Dong or anyone with such statements will have an announcement of a new cryptocurrency coins he think will outperform bitcoin.. Marketing is not a new thing and have shown patterns to it..
He’s into something that sincerity of him is covered with bad intentions.. Remimber that in this world,, trust no one..
Good point, if this person is also involved in another project he will soon then release the information about such project, bitcoin in the future will be possibly out performed by another project that will provide much better usage, maybe ETH will make an extra effort to be more successful and perform well in any aspect for both payments service and tokens platform, again, it's depend whether another project will performed and replace bitcoin as the top crypto currency that has been accepted all over the world,.