But independent agency is not enough, and will never be enough. "Block and move on" is not enough and will never be enough. Without collective action rooted in trust it will always be easier to automate bad acts than it will be to defend against them, or foster the common good.
Every time a human types out "#fediblock" they are creating evidence that the common good is losing.
Shared blocklists, both individual and instance wide should be automatic and instant.