Suggested

Running multiple teams

I think it would be a fun to be able to manage  teams per rank. Making a sort of ladder system that you can manage and climb, as well as training young talent and maybe create income opportunities with sponsors in your lower ranks to boost the research into your top team?  Thoughts????

Just have multiple accounts

I think you missed Doug's point there Richard. 

...like Red Bull and Toro Rosso?

something like that yes, 
with out having to create a separate account.