You can have a different Voting Mana level, at least on Leo and Hive. Not sure about all the other tokens, but I think POB has the same issue. If you vote on content that doesn't have the #leo or #pob it will not drain your Voting Mana for them, while hive Voting Mana is of course always drained.
RE: The new default is having multiple accounts for different purposes. Ma ...