I take his point to mean that this type of system has its quirks that cant be eliminated. It woukd be like a Nissan customer demanding that Nissan eliminate the droning noise from the CVT. It seems that DCTs are inherently less smooth at low speed. That was why traditional automatics had the torque converter in the first place - to smooth it all out. But that came at the expense of lower efficiency. As they say, all engineering is a compromise.
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MFT is like a box of chocolates, you just never know what you are going to get.