In some cases of attacks yeah following certain troops could be a good thing but getting drawn into the base because of a single loon is a different...
From my experience in the wiki of clash yes the warden is suppose to follow troops thats why warden walk is so helpful because you can drag him back...
For those of you still in TH11, what are your most commonly used armies for war, farming, and trophy pushing? I'm trying to refine what I'm doing now...
FYI healers actually cap at about six or seven (I don't remember the exact number) but using them stops being efficient at five. Five is a good count...