Honestly, I almost wish Riot would just remove surrender votes altogether.
Having them just helps encourage a defeatist attitude and flaming whoever doesn't give up. If people were forced to play to the end even if it was going poorly, that'd help.
Also, I just looked at that game. Holy shit your team literally surrendered for no reason. You were ahead in literally everything except wards placed. The only person who was behind was Aatrox. Literally everybody else on your team was ahead. 2 of their inhib turrets were down, none of yours were, you had an almost 10k gold lead, you had 12 more kills and a better scaling team...Sure you had been aced, but you were far enough ahead that they couldn't have won off of that.
That's...That's actually inting to surrender that match. You were pretty damn far ahead. Surrendering was actually trolling.