First of all, the node pooling actually leads to heavy centralization. Remember in 2017 when one of the pools grew so large it became 51% of the hash rate brief

First of all, the node pooling actually leads to heavy centralization. Remember in 2017 when one of the pools grew so large it became 51% of the hash rate briefly? Yeah, they ended up limiting their hashrate to stay under 50%, but if 2 node pools colluded, they could control the network (and require miners joining them to install upgrades if they wanted)