Simplify the following text for a Grade 12 native English-speaking person.
Original: Others argue that , although criticism can be levelled at the methods used to achieve their goal , the missionaries did care about the welfare of Aboriginal people at a time when wider Australian society did not .
Simplified: Others say that , although they might not have used the best methods to achieve their goal , the missionaries did care about the Aboriginal people at a time when wider Australian society did not .