Board Thread:General Discussion/@comment-216.229.75.11-20160617004322/@comment-3104099-20160617140554

In simple words, making him an Operator = killing the plot.

Plus, if you read the manga (seeing from your post, I can surmise you haven't read it), his combat abilities have improved in comparison to where the anime ended like Juanito pointed out. So no, his combat effectiveness is not similar to a comic relief characters.