Although Brize does not have a MATZ, it has a Class D CTR, some years ago I once called up advising that I would be routing overhead from south to north climbing from FL40 to FL100, remaining clear of CAS.
I was 'ordered', not requested, by some shrill female to fly 'not above' FL60 for some obscure reason. Which I declined. "I tried to be helpful, but I need to climb to FL100 for high-rotational spinning and it takes quite a while. So thanks, squawking 7000 and changing back to Quiet. Good day."
Not a bad plan to advise the aerodrome that you're overflying the MATZ - but if they try to vector you around the universe, don't be afraid of politely declining the offer.