It's becoming an offense-taking competition. The historical reality is that our forebears did not always see things the way we see them. Ryerson was a Christian, first and foremost. He apparently saw this commitment to include disseminating his beliefs widely, including indigenous populations. This had historical consequences, both those that we consider good, and those we now deplore. Erasing history by expunging references to those who held those beliefs will not change history - it will only impoverish our understanding of it.

I personally dislike proselytising in particular and religion in general. That does not mean that I want to deny that it occurs and occurred.