"I have more important things to do than philosophize about the so-called 'meaning of life'..."
Atheism is the wrong answer to the question of whether this is a purposively created reality; but agnosticism is a refusal to acknowledge that this is even an important question.
The response of agnosticism has arisen from a long term strategy of false-framing (excused-by, but not truly derived-from science) that such matters must be settled by 'evidence'; then, having made that assumption but denying that it is an assumption, to discover that evidence can never, under any possible circumstances, settle the question.
This public philosophy which frames our discourse and thinking is a type of scientism/ materialism/ positivism. It is implicitly but firmly based on the self-refuting assumption that the only valid knowledge is scientistic, and that (n effect) science proves science - and that assumption is stated to be an end to the discussion...
And then - without re-examining the assumptions that led to the nonsensical impossibility, to decide that the question cannot ever be settled - and is therefore unimportant. Thus to adopt indifference as a philosophy of life.
The assumption of a professed agnostic is that it does not make any difference whether this world is created or accidental. It is to say that my life might, on the one hand, be a crucial part of the vast plan of reality; or, on the other hand, my existence might be of zero significance to anybody but myself, and that briefly. And that which of these is something I cannot know. And so I do not want to waste time considering the matter.
But not deciding is deciding. Stating that Life is undecidable is deciding.
Assuming that sceintistic, materialistic assumptions must-be true and discussion is futile is a fanatical commitment to the fact that these assumptions are true
To be an atheist is to introduce some precision to one's claims about the triviality of life; and to leave the matter open to further analysis. The atheist opens-himself to a demand to explan how he knows that God does not exist, that reality is meaningless. There is a possibility that an honest, rigorous atheist may come to realise his error.
But to be an agnostic is to relegate the whole question to triviality, and to avoid saying anything subtantive about it; and thereby to relegate Life to triviality, forever.
Because if Life cannot be known as purposive, meaningful and personally-relevant; then Life just-is trivial.
Agnosticism is worse than atheism because the atheist states that Life is trivial; but the agnostic states that the whole question of Life is trivial.