i know it's not recommended to mix the two, but i mixed them when i first started the tanks, and never knew that it'd be a problem until i got more into it, but never had reason to move them
im not ignoring your advice, i know that you know what you're talking about and aren't trying to be a jerk. i know that you are totally knowledgeable about it.
i simply have seen no reason to separate them yet, and would rather condense them seeing as they have done fine previously. with limited tank space it seems silly for me to separate them until need be