According to evangelical christians was martin luther a good guy who wanted to reform the catholic church?

but he failed because he read the Bible and found out he could make his own church and his church failed also then many denominations come out after luther because he said we are free to interpretate the Bible that's the reason there are many evangelical churches today? luther wanted to eliminate some books of the Bible like the letter of james because it was against his doctrine of salvation by faith why is that? to eliminate this letter?