It seems many people are speculating the rise of BTC and therefore are transfering value from alts to BTC. But if you want BTC, buy it with FIAT! Fresh new funds are needed on the market! You are dumping alts making prices dump hard and maybe are speculating you will be able to buy more of the alts later on, but what idiot will selll it to you at that dumped price?? So if you want BTC, buy it with FIAT or at least don't expect to buy back more of the alts for cheap!
I think it makes sense that the market needs more fiat to improve the global situation. But some people have limited capital, and want to play with market trends. And I think it will work with the opposite.