Gold and XP difference graphs are not fully meaningful at the moment in my opinion, e.g. a gold difference of 1000 is not the same thing at 5 mins and 50 mins.

My suggestion is to have the option to scale the gold and xp differences to the total gained gold and xp from both teams. To further explain with my scenario, 1000 gold difference at 5 mins might be 30% of the total gained gold by both teams whereas it might be a mere 2% at 50 mins. The graphs could be more intuitive to read this way.

Maybe we could help Tobi this way, so that he doesn't need to explain everytime how important/unimportant a gold/xp difference number is at that stage of the game