That demonstrates some design flaws of Java, yeah, because your "private" variables are effectively just globals anyway. The guy who is not using encapsulation

That demonstrates some design flaws of Java, yeah, because your "private" variables are effectively just globals anyway. The guy who is not using encapsulation at all this year will be making similar mistakes (massively long bodies, proliferation of unnecessary entities, etc.) if he switches to functional programming next year. It's not a panacea. I'm afraid this doesn't demonstrate that any tiny bit of statefulness is "exhausting."