That's what you were told it's supposed to do. If it's not in fact doing that, then you have to ask yourself: who told you otherwise and why hasn't anyone fixed it? Also, who is incentivized not to fix it? You should be especially wary if the people who are incentivized not to fix it also have the power to fix it, and continually choose not to exercise it.
Unfortunately in our system, the wealthiest people have the most power, and they are incentivized to maintain a system that makes them wealthier. The wealthier they get, the more power they have over the system. We only have to look back as far as the 2017 TCJA to see how this dynamic plays out in real time.
Unfortunately in our system, the wealthiest people have the most power, and they are incentivized to maintain a system that makes them wealthier. The wealthier they get, the more power they have over the system. We only have to look back as far as the 2017 TCJA to see how this dynamic plays out in real time.