My system is taking most of the space !!!!

IT is so crazy to know that my laptop is almost full but not because I have some personal stuff in it but because "system" is taking most of it, 96gb. and Apple is not doing anything about this problem to think that I have read LOTS of the same concern. This is I think a tactic to buy a new one with a bigger capacity, which might be useless in the end because "system" will occupy most of it again.