I don't think they're saying they're dead in those articles, just that its a bad investment. OK shall we check the first 10 articles anyway, the Dollar amount is I assume the bitcoin price at the time of the article
“Bitcoin price THREAT: Bitcoin WON’T last past 2018” – Express | $11,582.56
“The end of bitcoin” – The Week | $11,582.56
“Bitcoin could be here for 100 years but it’s more likely to ‘totally collapse,’ Nobel laureate says” – CNBC | $11,582.56
“Bitcoin’s Soaring Popularity Will Trigger Its Demise” – Seeking Alpha | $10,685.16
“Sorry, Bitcoin Fans. Digital Currency Is Still a Dream.” – Bloomberg | $13,996.74
“Bitcoin is a ‘pyramid scheme,’ warns former Wells Fargo CEO Dick Kovacevich” – CNBC | $13,996.74
“Bitcoin is outdated tech” – Hackernoon | $13,996.74
“Researchers find that one person likely drove Bitcoin from $150 to $1,000” – Techcrunch | $13,841.10
“Bitcoin’s Demise Moves Closer” – The Motley Fool | $13,869.76
“Bitcoin is teaching libertarians everything they don’t know about economics” – The Washington Post | $16,831.09
That site has those numbers so it can laugh later when bitcoin hits a $100k per coin (tip - it won't) and say look how foolish they were
Now the Bitcoin current price $10,251
2 people, one buys X dollars of bitcoin on each of those dates, the other buys X dollars of shares on the same date, as it stands now the bitcoin investor has seen there investment get to be worth quite a bit less, yet the share owner most likely has seen a slight increase in their value.