Deadmau5 is probably the best electronic music producer in terms of sound quality, mixing and finding great synth tones.
In his rant, he complains about the lack of unique synth tones, and goes on to explain why many haters of EDM dislike the music -- because the synth sounds are dull, unoriginal, mechanical and cold sounding.
This can be fixed by adding compression, reverb, using distressors and routing the MIDI data into an external hardware synth and then routed back in.
By using these effects and external instruments, you can give your synth "balls." A tone that has character and life -- not a dull, lifeless preset.