Video here profiling 15 Taekwondo blackbelts in MMA.
Many of these are far from pure Taekwondo blackbelts, nevertheless in my opinion they have achieved some kind of benefit from training in Taekwondo and it has been better than not training it.
What are your views on Taekwondo?
Mcdojo nonsense or useful for developing some low percentage moves that are useful for mixing in to your arsenal, more so in a sporting rather than a self defense context?