It’s relevant today because any child you label with a negative (or positive) noun/adjective constantly eventually turns into that very thing. The monster becomes a monster purely from being named and treated as a monster. Frankenstein, the man, is more monster for playing God, and then abandoning his creation (which God would never do), and letting the events play out without more than just ravenous guilt. Is science and the pursuit of higher knowledge always the best choice in our world so desperate to make things better, easier, and more self-sufficient? Can justice be done in a world so full of broken and fallible creatures?