VB,
There was speculation at the time about whether this route was a convenient way to show that there are other airlines at CVT beyond TOM, and even that it might be a
PR ruse.
I'll have to admit that I didn't think it would work without at least a daily rotation.
It seems to be continuing for the time being, and if the loads are good now at €2 per sector, then yields may well go up later in the year.
Mods, can we split this to a CVT happenings thread? There must be enough to talk about now, both "on and off piste" as such!
I think splitting might cause a bit of confusion and interrupt the flow. However, if anyone feels there is sufficient interest, they can start a CVT thread. 
cheers H.