Take the following with a grain of salt
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I've never toured, doubtful if I ever will (due to medical and familial priorities), and my experience with an e-assisted bike was a brief test ride of some Giant model my LBS tried to sell me back in the day.
I personally would not be too keen on e-bike touring myself- just more parts that could fail while out in the middle of nowhere- and my mechanical aptitude is limited to flat repairs and anything that can be done using a Park MT-1
