Losing Every Single Match In BO6

I just played the 10v10 BooTown & since yesterday I lost every single match. I lost about 10-15 matches in a row.. joining in halfway through the match (every iteration) & losing. The only way it seems to be fun is when you play the party modes like infected up until you’re the first infected going against 23 people with no gun (as 1st) & a tomahawk & tactical insertion dat generates every 1-2 minutes. What happened to Call of Duty?