Should hungry ghosts not exist?

Sometimes I find this term to be so difficult, because it's not like I chose to be born to a family that has lost connection to love. I'm doing my best to get therapy, learn on my own, listen to Dharma teachings and talks. But every now and then I'm frustrated by this term because it's a part of me that has not known love. I'm feeling despair as I type this, because it's tiring being there for yourself, while people shame you for the home you come from. What's the intention by looking at hungry ghosts this way? Especially when people try so hard