And even if you don't do any bussiness with them. Oracle can sue anyone, they sue a lot. Like most companies they only do so if they think they can make a prof

And even if you don't do any bussiness with them. Oracle can sue anyone, they sue a lot. Like most companies they only do so if they think they can make a profit. They could sue you, with a higher chance of winning, for using a python, a js or a ruby than for using OpenJDK derived code.