It's great they're going so far with it. Requiring harvesting to be allowed prevents scammy half-measures like Elsevier(?)'s scheme of letting their subscribers

It's great they're going so far with it. Requiring harvesting to be allowed prevents scammy half-measures like Elsevier(?)'s scheme of letting their subscribers publish link to individual articles that might satisfy a few use cases but still allows them to shut down access whenever they like.