of course you are right the TT Fairing is overpriced in any way.
But - if its expensive i can expect a mounting system for an IMO or a Roadbook like you see it on the 1100 and 1200 Desierto fairings.
I think if there would be the possibility to mount such a device more people would buy it.
We are talking about expensive stuff anyway. There is nothing really cheap associated with beemers.
But thats another issue.
If its good - i pay.
If it isnt i will do it myself (and save the money