I think that this is a reasonable topic but it could do with some improvements to the original post. There are some minor things like the fact that "tenant" should be "tenet" but there are some other issues I would like to see addressed.
Firstly, the use of "model" is confusing. Typically it would apply to the explanation of how species evolved rather than the reconstruction of ancestry. "The historical course of evolution" or even "phylogeny" would be better.
I also think that maybe you could expand it a little more. Maybe split it into two paragraphs and give a little more of your own thoughts.
And one point unrelated to this particular thread. I think that it would be a good idea if you trimmed your signature a bit. You've got three quotes and the longest is about the same length as the post on it's own. It really doesn't look very good on the screen if the .sig is bigger than the post - or even the same size. I suggest that you choose just one and change it from time to time.