I hate when people are like "Call of Duty? You mean kids calling each other "fags" over the internet and noob-tubing 24/7?" I hope you realize people like me exist who want to play Call of Duty fairly and enjoy it
To be honest the meta for a lot of maps, at least in my CoD days, was aiming grenade launchers at the other team's spawn at the beginning of the map, particularly in S&D.