I don't think so. NNs have millions of parameters, and making a quantum computer that large, and with that many complex interactions, would be very difficult.

I don't think so. NNs have millions of parameters, and making a quantum computer that large, and with that many complex interactions, would be very difficult. Optimization of NNs isn't really that bad. Stochastic gradient descent is extremely powerful and roughly linear with the number of parameters, possibly better.