The spec without CDM does not do anything at all. This spec goes hand-in-hand with having a proprietary CDM. So ultimately, standardising this at the W3C means

The spec without CDM does not do anything at all. This spec goes hand-in-hand with having a proprietary CDM. So ultimately, standardising this at the W3C means having all open web users install a proprietary CDM. Again, if this whole debate was outside discussing open web standards, this would be valid. But what we're discussing here is inclusion or not in open web standards.