I notice that Sarsons's paper says on the very first page: "NOTE: Very preliminary – please do not cite without permission. Comments welcome." I wonder if Cow

I notice that Sarsons's paper says on the very first page: "NOTE: Very preliminary – please do not cite without permission. Comments welcome." I wonder if Cowen sought permission or just ignored that sentence? I am aware that linking to something from a blog isn't exactly the same as citing it (presumably Sarsons is trying to discourage citations in other papers), but Cowen could have mentioned, but didn't mention, the preliminary nature of the paper when quoting the abstract.