it was kind of awful for everyone
It’s the little things. But the guy’s tone put everyone else on a bit of an edge right off the bat. There were a few relative newbies there who were doing fine until he started to struggle, at which point they all started to become preoccupied with the conditions. I felt bad for the guy when it was all over, and I hope he found some introspection.
one or the other
…pick the trip for the group…or pick the group for the trip…
That’s it!
and it didn’t take many words at all 
+1
Leaders have to REALLY be experienced paddlers to know what the downsides of a paddle might be…over the group-think, especially with the highly positive attitudes of youth, especially with a kayak…where a capsize is not anything abnormal. On a trip out in the true outdoors, with a small craft advisory…??
Common Adventure
Not sure if you’re asking about liability, but might I found this interesting about common adventure -
http://www.isu.edu/outdoor/CADefine.htm
Best wishes and warm regards!
LeeBro