I personally think that the problem with ecclectic styles is that the founder (or whoever 'selected' the techniques) may have done so on personal preference and I would always wonder what is was missing in those skills which 'didn't make the cut'.
Just like JKD - everyone teaches a different JKD according to themselves (or so I understand).
However if that preson is qualified enough then probably I would trust them. I guess it is all just down to credentials.
On the subject of tea - Even one teabag often contains a blend of different teas.
Put that in your pipe and smoke it.