In the short term, yes. I'm looking past the next 5 years with the notion that the whole rights fees boom is a symptom of larger negative trends re: cable television in mind. I call it inflated because the massive increase in live sports rights fees is the networks's way of attempting to stave off the inevitable changes to their business models time shifting and online consumption will necessitate (and despite their thoughts to the contrary, live sports are NOT immune to these pressures). Again, WWE didn't get those massive deals because of anything the company did, but because they were the last company in line to get that type of rights deal after every single sports entity in existence got one (if they were doing anything right, they'd have gotten this massive increase when the rights fees were up in 2014 instead of having to crawl back to Bonnie Hammer for a backhanded handout).
Beyond that, the downward trends in WWE's ratings, live events attendance, and quality, and the upward trend in the average age of their audience, are showing no signs of abating. So what happens when, 3 years down the line, ratings have decreased further, ad revenues aren't sufficient, more of their audience have aged out, and they still haven't solved their live events issues? Do you think Fox isn't going to take a good hard look at how much they're paying WWE for SmackDown? Hell, if it keeps going, even NBCUniversal's going to have hard thoughts about them at some point (remember, they were seemingly perfectly fine with the prospect of losing RAW and SmackDown in 2014).
I'm not here trying to predict WWE's death (the one thing the business side of the company has done is work tirelessly to make WWE death proof, with the Saudi deal being an example of those efforts). All I'm saying is that there's a real reason why, on the one hand, WWE's getting this massive influx of cash while also suffering very real problems when it comes to the actual wrestling side of the company. When those two meet, whether that be 5 or 10 or 20 years down the line, I highly doubt WWE comes out unscathed.