I'm not a Taiko people so I might not post something huge, but usually analyzing the current situation between people is a good start. Guess this thread is a good beginning.Taikosu! maps, in my opinion, do not work very well as they need to be properly hitsounded and converted, and our way of mapping has evolved in such a manner that a standard map for, let's say, an Inner Oni difficulty (Extra counterpart) would not be of sufficient quality to our standards.
If there aren't much taiko maps in the ranked section as you think, then my opinion for that will be "start thinking backwards". When taiko maps first appeared, they were combined with an osu difficulty which is mostly refered as "Taikosu!". Are there any maps like this? None for years. Contacting some standard mappers who are interested in taiko community to resurrect this project might make taiko mappings gather some attention.
Also problems exist when ranking maps as far as I see due to insufficient members of Taiko BNs. Maybe the time could solve this, but if waiting takes too much, hopping into hybrid mapsets as the real Taiko diffs appeared would make more ranked taiko maps. Some BN members will refuse requests of hybrid mapsets, but I foresee it to be less harder than getting a taiko only map ranked.
Not only are we short on manpower, but also on the motivation side. We lack any kind of incentive to do stuff, both us and regular mappers/modders. Hybrid sets also present a huge problem for us as of now, since most osu!standard BNs refuse to icon a standard+taiko hybred set in fear of screwing up (which is totally understandable). I really see no fix for this apart of either getting more BNs or making current BNs focus on hybrid sets (which would then remove attention from taiko-only sets, and that would also be a poor choice for our numbers).
I am a slightly newer member to the Taiko community but I too have noticed the smallness of the community. For instance I rarely find Taiko multiplayer games, the #taiko sometime has the most recent comment be posted almost an hour ago, almost no tournaments ran for taiko & other things.. Quite a shame as although I play all the game modes I think Taiko is the one I am developing the greatest love for.Not much we can do on the tournaments thing... apart from some people who are really interested in doing so.
I'd love to help out in growing the taiko community and if anything I can do to help let me know. Also mind putting link to the standard mentoring thread so I can see what it would be about?
Here is the link to the standard mentoring thread: t/506906