> I'm not sure that developers working on performance tuning in any meaningful way still post online This is a very confusing comment to me since "cares a lot

> I'm not sure that developers working on performance tuning in any meaningful way still post online This is a very confusing comment to me since "cares a lot about performance" is probably one of the most consistent attributes of the HN readership—or they are at least a highly vocal subset of the community. Personally, I respect technical brilliance, but believe it comes in many varieties, of which performance tuning is just one and not on any kind of higher plane.