A lot of the reason people are making huge losses as infantry is they give up and respawn way to quickly...

I almost always make a profit playing infantry. I'm not exactly a great player, wouldn't surprise me if my K/D is around 1 or slightly lower. But what I do is:

• Stick with the team • When I'm downed I wait a few minutes (I sometimes wait up to 7 minutes if I can see the team are close) So many times I see someone who is 100M away is downed and they wait 20 seconds and then respawn. People should be more patient, we will come revive you, we just have to kill the enemies who killed you. Its very frustrating to see like 7 people die and then all respawn when we have 5 friendlies who are actively pushing towards them.