I wouldn't complain that wikipedia exists when I am answering a quiz...
I don't think a more complex wordle implementation would solve this. If the whole world is guessing the same word, there will always be someone that tries to spoil it for others, just because they can.
Of course. But what does that matter? All you've done is assign blame. The person still had their game experience ruined. With a different design, that might not have been possible. This is like spam protection -- it's not Gmail's fault that you're receiving spam, but they're the ones in a position to stop it.
If bad actors in person went door-to-door attempting to break in by picking locks, would you say that it is purely the responsibility of the homeowner to ensure that their locks are strong enough?