No I don't think BU is dead,
Same things I've heard about classic and xt and where are they now? There was no urgency at the times of XT and Classic. There is now.
There was plenty of false urgency at the time of XT and Classic, just as there is now.
But with the price and hype currently at ATHs, that false urgency is more hilarious than ever before!
Sure the price is at ATH when nobody can deposit and sell Bitcoins on exchanges, where else could it be