I am surprised that TUI/Britannia took the risk with CVT. TUI don't seem to be a risk-taking company, and both Britannia and Thomson seem to demonstrate stability and maturity.
The development of a new-type venture at an unproven and undeveloped airport just seems out of character. The fact that they were 'forced' to acquire the whole airport to take control of the process seems to imply panic.
Launching at CVT means that the the local opposition to the 'new' airport is directed entirely at them (Thomsonfly). If they had been an incremental operator, the degree of opposition may have been less.
I know RYR fly from some underdeveloped airports, but have they ever been the first and only passenger operator at any of their destinations? (Hahn??).