No, by all means change him - eventually. Right now there isn't a striker worthy of the name at the club. If there was a decent striker, then Boro would definitely be in the play off places - at least. Then change the midfield because it's not creative enough. Then change the defenders. But priorities first. A striker.
You can't be promoted when you don't score in 40% of your games, and you can't blame the goalie for that.
That’s not how it works. We can’t do anything until the summer but I’m sure you know that... we will be without Bettinelli and archer in the summer so we will need a goalie. We will need strikers too once Britt and Fletcher leave if no new contracts. It’s about replacing all vital positions not in some magical order