What are you referring to in the article? All taxable income (which would include salary) is public information in Sweden and the majority are unionized and do talk about salaries.
Mostly "Please understand that Iām publishing this for transparency, not to brag about making so much or complain about not making enough." and such.
Yeah, that's what I thought. I think you read too much into that. He's just being the humble and cool guy he is. It's not as taboo here like it is in the US.[1]