This is not meant for the OP or to anyone in particular, but if you are expecting perfection and to be waited on while vacationing,
DVC is not for you. DVC is a physical space for which you have purchased the right to stay. It is not a guarateed cruise, trip to Italy/Spain/Etc., a meal plan, a ticket or pass, a parking agreement (other than parking at your physical space), a loyalty club or "high society"/Disney membershilp program.
It's not even really an ownership. It is a leasehold on a small % of property granting the right to stay at said property for a varied amount of time and in varied size accommodations based on the leasehold amount (i.e. # of points).
We've never had major issues either. Wet carpet (from being cleaned between stays and high humidity in FL), which we just dealt with (if we owned a condo we'd have been in the same boat after having carpets cleaned), missing remotes, broketn luggage racks, moldy shower, missing kitchen(ette) components, etc. All of which were taken care of within a reasonable amount of time.
Our biggest complaints to member services typically aren't even within DVC's control (entirely). Epcot resort bus transportation is our most commong issue.
With 4 resorts on the loop it's nearly impossible to get a seat on a bus. But that's DVC only as much as they pay for a portion of transportation through our dues. And a trade-off, better bus service means increased costs, means increased dues. This is why the loss of valet parking didn't bother me. I'd rather pay for it if I use it, then make everyone else pay for it, too. Especially since only a select few resorts even offer it.
Anyway, for people expecting to be catered to and have the "perfect" guest experience every time - no timeshare will make you happy. It's not a hotel stay and I think Disney, better than anyone, makes it as close to a hotel stay as they can.