90% of those who are talking about death of bitcoin are the same people who are trying so hard to buy bitcoin when it drops a small 5% so that they can accumulate a tiny bit more.
The rest 10% are the newbies who fall for the 90% FUD and are scared of the situation.
people who talk about the death of bitcoin are people who already know and have experience with bitcoin so I think they are trying to make the issue of bitcoin and also like it when it comes down. they can use it as the right moment to buy low prices and try to take big profits when the market is in the highest position.
This can happen by tricking beginners into not trusting Bitcoin and making prices go down until this becomes an opportunity for them to buy cheap prices.