Brimstone CROSS MAP Plant Denial Molly Lineup #2 - BIND - B Site - Left Side Default from A

What do you do when you get trolls and people who just throw the game intentionally? Just had a gekko who would ult my teammates intentionally and just hold the spike without planting. Afk in base, and All chatting our positions. These are...

Just won a match on icebox comp, got the victory screen and everything yet the match isn't showing in our match history and we didn't gain any Elo at all from the match, can anyone help? is this happening to anyone else?