No but on HN you should expect that criticism in that direction is valid. You can be world-class in certain niches but I doubt that calling oneself a world-clas

No but on HN you should expect that criticism in that direction is valid. You can be world-class in certain niches but I doubt that calling oneself a world-class developer holds in the context of parts of the audience here. It's ok to sell oneself but I'd be careful with exaggerations in a field with probably >1 million professionals.