I want an explanation for this loss
Ahead early game; lose one teamfight about 15 minutes in (if memory serves). We fall behind a little bit but are still strong. They are able to control the entire map with ease after this fight, however, even though we eventually get the only baron of the game. While we have baron, we have no one split pushing, even though we have an Irelia. I decide to do it, I get collapsed on, die and we have no gained map control. After our upteenth skirmish against them (with no map control gained), after baron was gone, they end the game in a very anticlimactic manner. I tried asking my team why we lost, but the only "answer" I got was: don't do what your role can't do. That was said in regards to my attempted splitting when literally no one else on my team would do it, as well as initiating, which, again, my team refused to do regardless of the enemy's mis-positioning.
If no one on my team split pushes, and if I do I die, we lose. If no one on my team initiates and if I do I die, we lose. I can't do everyone's role for them, so what could I do in the future in a similar situation?
For the record, I was ahead in damage most of the game and fully capable of carrying if my team tried.
http://matchhistory.na.leagueoflegends.com/en/#match-details/NA1/2447155277/226900712?tab=overview