Probably because he loses attention when fees go down?
Like chartbuddy he needs outrageous price swings to have people paying attention or he will go on rampage.

And I just love the new mempool features (and icons):


Shows a ton of consolidation happening lately, maybe 20sat/vb is for some a sweet spot and they are afraid things might get worse again. but we're just 120vMb from hitting 10sat/vb and if the hashrate keeps the  pace we're going to have extra 90 blocks till next Thursday, combined with an weekend, maybe , maybe!!!