In general, I recommend not spending a huge amount of effort (equivalent to a big bet) without taking some effort to vet the concept in a low-cost way.
I understand your point. For now, I compromise between 'why' and 'how'. Explaining 'the why' of semantic tags (and the Semantic web in general) is still a great challenge, but I feel that moment is very close. Thanks for sharing your thoughts :)
In general, I recommend not spending a huge amount of effort (equivalent to a big bet) without taking some effort to vet the concept in a low-cost way.