The games industry is shit, Hollywood is shit, so learn Blender, game engines and make your own shit
You'll have more fun making your own stuff and knowing it will at least be even half-decent compared to the absolute crap the industry is churning out these days will keep up the motivation. Rather than constantly getting your hopes up and setting yourself up for disappointment and expecting somebody to rescue you.
I'm a writer, so I write.
My advice to ye creatives is to write your contracts in a way that presumes hostile entities trying to take over your IP and never sell out rights or give up creative control. Then ensure that your will is written to prevent the defilement of your creative legacy.
Indeed. This is something I frequently have in my backslot of concerns on any project I intend to create and release.
I've probably checked the legalese on a few things Unreal related just out of a cautious habit, even though they've generally remained pretty reliable and fair, at least with how they treat developers using their engine.
Just demand that it become public domain on your death. I know you want to give your children a head start, but if the work is profitable your savings should be enough for them. At the very least, limit it's exploitation to one generation. See: Based Christopher Tolkien vs. the sellout Tolkien family.