Design isn't an all-or-nothing thing. Many of the companies we respect for design came from quick and dirty roots, and if this helps someone get there more quickly, that seems like a plus to me.
Perhaps you were referring to my comment about Mayer, whose creative output amounted to a collective shrug, as she (and, sure, the design team she micromanaged) produced a logo that did nothing to communicate a new strategy, vision, or purpose.
Which is perhaps appropriate for Yahoo, after all.