Every now and again the system works well, we had President Kennedy, we had Nelson Mandela, we have Jacinda Ardern. Kennedy managed to step back from global nuclear war over the Cuba crisis, would Trump ? Mandela's election resulted in the Truth and Reconciliation Commission which prevented a possible bloodbath of revenge by those treated shamefully by apartheid. Jacinda Ardern has shown amazing leadership in her handling of the New Zealand Mosque attacks and her handling of Covid-19.
Don't discard democracy if it does not work all the time, it's still the best system we have currently, although you are welcome and indeed, encouraged to make a better system ... that's democracy.
Democracy works, it's the people that are broken