Saying bitcoin is dead is nothing but a false claim,youve heard about the word volatile thats the nature of bitcoin.What you should consider dead are those pump and dump tokens that are nowhere to be found in the crypto industry,but as for bitcoin it isnt dead neither does it seem like its dying.Bitcoin is only experiencing a season called the bear market,and this season is the season where most investors lose their minds due to drastic price declines,and critics and bitcoin haters uses this medium to lure weak investors into selling their coins at a loss with their false claims.So,lastly I would say that bitcoin isnt dead its only going through a phase(bear market)and only knowledgeable bitcoiners with tough skin are the ones that would keep holding their coins without minding the false claims.
What i find annoying about that claim is that people who think so can't back it up with concrete prove but meanless conspiracies, as them why they think its dead and they'll likely say that it's volatile and a speculative coin and didn't meet up the initial purpose that it was created for. Those are just crap that critics formulate to make Bitcoin look like a bad choice.
Bitcoin has always hit back stronger by surging whenever there's a claim that it's dead or critics about it, "Bitcoin is dead" yet it's heading back towards $90k, its dead, but they'll still see it go beyond the recent all time high.