Its true im many places. First generation hard working. Second generation lives in the inprint of the first generation. Third generation has no connection to the original homeland and tries to find connection or it turns to antisocial behaviour.
I think identity rootlessness is an underestimated factor in immigration woes. Youth of all kinds can often be exploited into adopting a destructive self-identity, but some groups are more vulnerable. One notorious Swedish gang actively recruits from the foster care system.
It's wild to see how this flipped completely around in such a short time and now some markers of integration seem to go backwards and at the same time some consider it biggoted to demand/expect assimilation.
His grandfather made his fortune by operating a restaurant and a brothel for miners in Whitehorse during the Gold Rush years, his father compounded that with an actual real estate 'empire' and the grandson 'earnt' money via dodgy wealth transfer schemes and sank much of it into get rich quick scams and branding deals based on fraudulent representation and money laundering, now leading the country in historic levels of open corruption.
I agree with your analysis of the Trump family who have been detrimental for US society.
Unless Sweden in majority is prepared to broom out all that they have accepted in, then this how it is, a mix of cultures having to find common directions and minimise friction over the next generation and a half.