Part of the problem with WWE nowadays is that they're trying to make too many people into "big deals". The roster is too top heavy and trying to make the Wyatt Family a "big deal fairly quick" will only make it worse.
Every stable doesn't HAVE to be a "biggest threat to the company". They shouldn't be thrown into the main event scene right away because then there's nowhere to go but down and we'd just complain that they've been "buried" because they aren't World Champions. We've already seen that with The Shield to some extent.
If all they do is squash Zack Ryder or whomever for the first few weeks and then immediately go into a feud with a main eventer, all they've served to do is further perpetuate the "Non-main event faces don't matter" environment that we've been subjected to for the past few years, and thus their presence is no real improvement to the product.
Ideally, they should be firmly in the midcard, but they should be booked dominantly over midcard faces. Not squashing them, but always winning. Put them over as a force in the midcard, with midcard faces stepping UP to challenge them.