They are already very comfortable for winning the La Liga title so this isn't a big deal. But I'm pretty sure so many bettors lost their bets on Barcelona. I prefer not to bet on these teams when they even get close to announcing their title in their league. Because there isn't a big motivation source for them to put a huge effort into the other games left. They will win the title anyway even if they lose points a couple of times.
Still 13 points is a lot to catch , bad performance too much unecessary passes made.
Girona goalkeeper did the best what he can and if it wasn't for him, Barcelona would have scored 1 or 2 goals for sure. On the last corner Gavi was close to bring 3 points to Barcelona, but the goalkeeper made some crazy save and left Girona in the game.
Bookmakers were giving odds of 6 or so on the draw, I think the bet that Girona would not lose was with odds of at least 3-4. So maybe some Girona fans were well rewarded on this day.