You still need to count the 10 on your Charisma and Intel. 10 wouldn't be a baseline, it still costs points to reach 10 in most games like this, otherwise there's no point in having ANY skill be below 10 ever, and no drawbacks at all.

EDIT: In other words having 10 as a baseline is literally just giving yourself Godmods. 75 points TOTAL not bought.

EDIT EDIT: If the GM would like to clarify if he wants to use a point "buy" system, or just have 75 points total that might help. But if you ask me, I'd prefer it to just be 75 total, that way you actually need to have a trade-off for certain skills to be higher.