What a load of tosh.
Your entire argument is rubbish and childish.
I'm not saying that the RN should operate it, there are many arguments either way, but the reasons are nothing so silly as you suggest.
In the current environment the FAA has no experience of the MPA role aside from read across from pingers, so it probably makes sense that the RAF own the fleet.
That is nothing to do with parochial reasons such as yours.
Other countries successfully work it the other way round, so there is no natural realm it belongs in.
"The FAA's job is to support the RN by operating aircraft off ships."
Twaddle.
The Junglies are there to support the Marines who are there to support etc etc etc...