Yeah I agree with you there. That Silver is terrible. I have maintained gold for the most part and had a friend whom would run with me from lower platinum. Things went fine and I didn’t struggle in those areas. But, well friends have lives too, and Maybe I dont.
But I get just ONE game or two games with a leaver/thrower and my SR plummets fast.
Id love to call those people up and thank them for ruining my game profile career. But that is unethical.
Other replies from me. 
Player name: Kornmeal. Kaawumba
I agree with you there! Learning how to play better is always key. I Widowmain and played her 700 hours, but realize she is niche to the cause. SO I have been running Competitive as an Ana Healer for games, since I can scope in and do long distance heals or high-volume heals as needed. Even going to Lucio for CP map healing.
The games I always face that turn into losses, are the “leeeeeroy reinharts” (old WoW meme) where they run in, and expect a mass amount of healing. I dont think even two healers could easily hold out that much damage. Players tend to NOT realize that if there is a Torb turret and Sym turret, that they need to clean up that stuff first, then rush in. 
Lastly, With other games being a loss due to the team NOT protecting their healer.
Yes, I would be happy to use LFG, but I’ve only come across extreme-Toxic players out of those groups. So I would never touch that mode, ever again.
I’m a seasoned World of wacraft player, I dumped a few thousand hours on that game too, and it has been the same “rinse and repeat” from that game here too. Battlegrounds were as good as the healer, and that was ONLY if the team would barricade and work with their healers.
It really is NOT fun down in the “silver and gold pits”, or as I am starting to call them “the gold and silver mines” and yes, I personally KNOW a mining face drill operator. its bad work. and reflects the same thing that gold and silver is.
