The question was originally:
Keep both and support both. Or dump one so efforts could be focus'd on other things.
As someone who works in an extremely complex tech environment - anytime I can say something is "out of scope / not supported" is a breath of fresh air. Users always find new and interesting (crazy) ways to use a product that were never envisioned by the deployment folks.
If WMP is left in, and users start having issues with it, Jason will have to make the decision to work on (fix) WMP or spend time on something else (new feature, some other bug, user requests...)