because most are looking to ditch the sense SMS altogether, not continue to use it
the WM SMS threaded view is completely skinable in 6.5 so there is really no need for sense sms.. it's too slow and laggy on our device regardless and use a lot of memory loading all the sms.
some of us are working on a solution to completely get rid of sense sms. HTC needs to give us options to disable it since very few are a fan of it.
it's nice you came up with something that helps for those that "like" it.