I started doing that because I see the value in investing in an assault rifle when everyone else is eco, but my friend has been telling me that it’s really toxic. I’m generally new to PC games so I don’t understand why. Please enlighten me?

I have been stuck in plat3 for quite some time, my peak was ascendant 1, i usually play well enough but lose almost everything(20 kills around) but today i think i played absolutely garbage but still managed to win cause my team was good so...