Instead, ignoring the how and why of a crap situation and simply working to improve your situation will improve your outlook on it.
Do stuff to make life better and you will feel better as if by magic. Just ignore the problems until they manage to disappear on their own.
One step in front of the other.
1 > 0.
"Just ignore the problems" doesn't work for people who have problems which are, you know, actually serious.
Repeating an earlier comment: the entire point of modern evidence based therapies is to help people avoid focusing inward on problems and negativity.
But there's evidence in favor of the opposite of the action you propose - people who see their problems and reversals as external and don't bother too much about them are much less prone to depression, according to the data. That doesn't mean they are successful or nice, of course.