He sent 4000 Bitcoin to segwit address and only paid $1 for the transaction fees (11.086 sat/B) lol. Anyway it is normal because the mempool is not clogged by hundreds of thousand unconfirmed transaction anymore so paying for this low transaction fee will have no problem, seems spamming in the network have stopped for now. But the interesting part is he transfer his Bitcoin to segwit address, I'm starting to think that people have now realized that using segwit addresses is way more better than legacy addresses.