No - I think people are looking at Sinclair's record over many years, with many teams. His best patch was when with us before when he scored 4 in 16. Apart from that he has scored 2 goals in his 71 senior games! Now, I suppose we can be very optimistic and say he will magically regain the form he showed for us three years ago and score a goal every 4 games. Or we can assume he will score at his career average and score once every ten games. Or that he will replicate what he has done in league games over the most recent couple of years and score once in over 40 games!
If we didn't know him and the club was considering signing a striker that no other team was interested in who had those sort of stats at the age of 25, there would be some eyebrows raised! If he were the only striker we could possibly sign then you'd take him - but as I said, I cannot believe that there isn't anyone (young, old, one of our youngsters, loan, permanent, English, Irish, Dutch, Scottish...) who wouldn't be more exciting or more of a goal threat.
If we were chasing a game and saw Sinclair warming up on the sidelines, would you *really* have much confidence that his introduction would turn the game around?