I didn't read it that way, but simply, that as a buyer in a popular city, it's frustrating to have to compete literally with the entire world. Criticizing a problem that has existed in the past doesn't make the criticism any less legit. In saying that the commenter should "blame themselves", as well as the other examples you provided, it sounds like you support their position that foreign real estate investment should be restricted. Selfishness isn't always bigotry.