Don't forget, goals are scored by a team, not by a player. The game has evolved, and best teams move the ball, attack and defend like a unit, with strikers and playmakers being just parts of the machine. Hence goals/assists stats are far less informative than 20-30 years ago.
Jesus wouldn't score this amount for Arsenal or Leicester as they create less opportunities for strikers.
I prefer good old 'eye test' when judging players, strikers including. For me, Jesus hasn't really improved since coming to Manchester. No matter how impressive his stats are, I don't believe he's going to become a top №9 - the dynamics of his development isn't good enough. Wonderful player for a club like Roma or Arsenal, not for a team aspiring for CL domination.