Yes, this is the mistake almost everyone makes - stopping at "life is absurd!". The rebel and the plague show how to do something meaningful in spite of that.
I've always pointed the Absurdists to his nobel prize speech as a quick way of showing them that they don't have the slightest idea of what he was talking about. The cognitive dissonance is generally too great, and the leave in a huff.
https://www.nobelprize.org/prizes/literature/1957/camus/spee...