I was trained as a lab researcher and know that attention to detail and providing evidence for each claim made is essential when doing research and then publishing the results. In other words, I agree completely with both of you.
My reasons for starting to do genealogical research were completely personal. Thus, when I was working on my own, I wasn't careful about listing sources. When I came to Wikitree, however, I began to realize that this is more like publishing papers intended for one's peers. I will work this summer on checking through what I have already posted here and entering sources