Hello,
I would like to keep it very short.
There is no way that you can justify that 1v5 or 1v4 or 1v3 or 1v2 is a fair gameplay!
This game has not any matchmaking that would guarantee to be a in a group that is beeing formed ingame, if you are one of the majority of the playerbase your stuck to be a target parctice for some 5 guys runing around the map as if they are rambo's. No person with common sense would say that 1v multiple people is a fair game mec
Guys, Tarkov does indeed try to provide you with a far more deep realistic experience than most shooters but it does not intend to copy real life into a videogame. Do not mistake realism with authenticity. Tarkov tries to simulate some things that would happen IRL but it doesn't and in some scenarios won't copy it into being a 100% realistic feature, but instead make it authentic (meaning features of certain things will be in game and will be similar to real life, but not as in real life). As fo