It would be unsurprising to discover that M. Yglesias attracted the attention of a twitter cluster that holds a fairly specific niche view very strongly and lot

It would be unsurprising to discover that M. Yglesias attracted the attention of a twitter cluster that holds a fairly specific niche view very strongly and lots of that cluster piled in to the thread in question. This is not, after all, a particularly rare event on the platform in general.