I understand your concern, but according to my reading of Blake, he does indeed
want to "get us off." His Christ is rock-n-roll.
Perhaps we interpret him differently. Have you read his annotations? his letters? The man was filled with joy. He said that an artist without joy should find something else to do (paraphrase).
He lived in happy poverty. He might have starved if not for a patron. He was largely ignored but found no reason to cut his ear off.
To quote Ezra: make it new!
I think connecting dots is a good thing. I'll connect AC/DC's Highway to Hell with Blake's Marriage of Heaven and Hell.
For me, philosophy-art-religion are all about pleasure and power. If they can't deliver that to me in this idiosyncratic finite life of mine, I'll leave them to scholars.
I agree with Bacon that knowledge is power, but then I insist that there are two sorts of power. The first is Bacon's: power over nature, or applied science. The second is emotional. I call religion/art/ philosophy the "technology of morale." For me the point is to get high. Life is justified by "feeling," "ecstasy," "satisfaction." I put there words in quotes because they are just signs for experiences better expressed in music / dance/ facial expression.
I suppose at the moment, I have to rate Blake as someone nearer to the heart of the matter than most. He is somewhat obscured by his stylistic choices, I admit. Also, sometimes we find writers that just agree with us, and we assume they are good in the same way for others.
In any case, happy new year!