Choke is always possible as potential can't be fullfiled on every tournament. But this team will be ready to explode in Tokyo ofc along Italy and USA
And do u think Brazil will not be a contender for 2020? , all these teams that you mentioned has a lot of work to do to get even close to Brazil`s level. One thing that Brazil has and no other team has in consistency. Brazil has reached the Final of every single major tournament since 2002.