Not meaning to be a stick in the mud by any means... but I'm not quite sure "touring/commuting" is enough of a distinction to warrant an entire new subforum for two reasons;
1: Other than weekend toys/dedicated race bikes, all bicycles are inherently commuters - provided only that you at least occasionally commute with them.
2: True, dedicated motorized "touring" bikes (permanently installed full gear/packs) are so rare I don't know if we could populate a subforum... I'm not sure just having the packs/trailer to mount on an otherwise not equipped bike truly counts.
Please don't get me wrong - I am a commuter/tourer (that's not a real word but w/e lol), I use my motorized bicycles as year round daily drivers/commuters (yes, even in winter w/o exception) and nearly every weekend I'll go on extended long distance trips (100 miles or more on the gas bikes)... nevertheless I don't see the bikes themselves as particularly different than anyone else's - I may just have an extra pack or two and some additional tooling I would normally leave behind... so if anything it's a mere difference in riding habits and not so much a unique bicycle type...
Still, it's a valid suggestion and it may well be the lack of a subforum responsible for the seeming lack of touring/commuter bikes... to help with this potential why not utilize this thread to present examples (links to your & other's threads) to illustrate the need/interest and we'll see from there?