fwiw, many people don't agree with the "for sustainability" argument. Increasing blocksize is actually a negative, because it lets people continue sending low-

fwiw, many people don't agree with the "for sustainability" argument. Increasing blocksize is actually a negative, because it lets people continue sending low-value transactions that they wouldn't actually pay for. It externalizes their costs to the entire network, making verification harder, etc. When the required fee makes your current uses of btc unprofitable, either send larger amounts at a time or use a sidechain, etc. The fee is a DoS-prevention mechanism.