PoW Centralisation: What Size War Chest Is Required?

"Although the problem is currently manifesting itself on the network to an extreme extent, this variance smoothing issue does not appear to be as much of a long term fundamental incentive problem as some may think...Perhaps another reason for this alarming degree of centralisation right now is that many in the mining industry simply don’t care enough."

https://www.nobsbitcoin.com/pow-centralisation-what-size-war-chest-is-required/