

Just speculating, but maybe it does something like where it checks the image against a CSAM database or something similar, so only images flagged in some government database get blurred.
Edit: or more likely it’s still in the testing stage and has to be enabled either by google or through some obscure setting.
The way I read it you don’'t have to be out for more than 48 hours. It’s really not phrased very clearly though.