I am no expert in blockchain or nodes, yet I read that Minnowbooster is running its own nodes and is even willing to lease them out. Here is the direct quote " BuildTeam is aware of this responsibility and thus, Minnowbooster as well as our other BuildTeam services (The Delegation Leasing market, Steemvoter, GINAbot, Quicksteem) have been running for a long time using our own private RPC node cluster in a self sufficient and community responsible manner; which means that even in the case of a catastrophic failure of Steemit Inc's infrastructure, our services will continue to run.

Up until just a few months ago we even offered nodes for the general public which we had to decommission due to the increased cost involved with running it and lack of delegation from whales who chose to delegate to other bot services that are not as conscientious." and link https://steemit.com/minnowbooster/@minnowbooster/minnowbooster-the-only-promotion-bot-running-its-own-infrastructure
Is it possible to take some weight of Steem inc.'s back by running more independent nodes? So if all the bots were to run their own infastructure, would that help the blockchain?
My hat is off to Minnowbooster.