When I started lessons again this year on my clarinet at an advanced level, my teacher asked me what I wanted out of it. I said that I wanted to play better, push my standard up and just to be able to improve my playing for my own pleasure and for band (which he is lead in) I said that maybe somewhere down the line I may like to do grade 8 - just to say I had it if asked etc as I've played at about this level(ish) for a while but stopped graded after grade 5 (Due to circumstances at the time but they are not relevant here).
At this he smiled, shook his head slightly and said "You could do that
now, but the thing is it would just be an exam. It wouldn't necessarily improve your playing..."
He went on to explain that people could be taught to "play the game" to pass exams but would have huge holes in their ability/musical knowledge etc. He also said that he thought the exam repertoire was so restrictive and he had lots of music he'd love to get me playing and that would do me a lot more good than exams. I think he's right and totally agree here.
As a mainly retired teacher I don't think he really wanted to go down the exam route and at present neither did I so we meshed really well on that one.
I think you are right to give exam stuff a break but just be aware that if you are doing music to get somewhere, e.g. music degree etc (not sure how old etc you are...

) sometimes it's the certificate that counts, whether that's right or wrong could be the subject of much debate in itself (but that's the stuff of another thread...)