Let me guess, you live in the city?
Crossovers and SUVs have definitely taken from the minivan market but there's no question that minivans are going to be here for a while. They are very convenient and IMO more comfortable than the SUVs we tried, especially at the price. The minivan we got was at least 10-15k less than a comparable SUV, plus fuel economy is better and IMO the interior is so much more comfortable for long trips than other vehicles.
The biggest disappointment has been fuel effiency. The minivans in general have done very little in the Hybrid space, you don't really get your money's worth if you want a Hybrid minivan. Guess what? The vast majority of SUVs have worse fuel efficiency.
I've got a Sienna with a V6, it has some sweet power and acceleration. Not to mention the car has been around forever so there are very few major issues with it. My only major concern is front passenger side safety, which is not as good as the rest of the car.
I'm not bothered by that soccer mom bullsh*t. In fact I typically drive an older Camry and I'd gladly get in the minivan over that thing.
If you live or work in the city though, minivans are far less convenient - they are big, hard to park, and not hipster enough for you. In the suburbs, they are perfect.