Hi kate ...I do agree with most of your points re, more could be done by mankind to prevent and aid in the fight against suffering etc.
There are however tragedies which befall mankind which we have no control over.
The question which athiests ask re gods ability to intervene arises from the fact that theists claim there is such a being who could if he desires prevent these unforeseeable disasters.
The fact that I don't believe such a being exists prompts questions such as I have posed.
In the form of a discussion forum it is interesting to me the theists point of view, after all the people who are affected by suffering , torture, agony through no fault of their own may rightly wonder why the loving god they believe in has abandoned them to their fate.
The question I asked you is imo is quite straightforward.
Best wishes