Answer
Dalton should not be criticized because his theory was made during the time with less technology available and his theory was an important development in the discovery of the atom.
Work Step by Step
Dalton should not be criticized because his theory was made during the time with less technology available and his theory was an important development in the discovery of the atom. And parts of his theory are still acceptable, for example his theory that atoms of different elements combine is specific ratios, is still accurate and correct.