Oxlade was always more of an 'athlete' than a footballer.
His qualities were his speed, his directness, and his low centre of gravity. Being someone who could ping a 50 yard pass or put his foot on the ball and dictate play was never his game.
Now that his injuries seem to have robbed him of a lot of his athletic qualities, he's having to rely more on his skill using the ball, which isn't at the level of Thiago, Henderson, Keita, Elliott.
So really he's competing with Milner & Jones and frankly for the high wage he's on, it's just not worth it.
I think the summer is time for the Ox to move on.