Why can't i play off meta champs?

So i played a ranked game yesterday (Silver V), and my teammates were making fun off me for playing {{champion:96}}. I know his not the best ADC atm but he can do some pretty good damage if played correctly, which i did. we ended up winning and i finished 15/5/6 this other time. I guess they wanted me to pick someone like {{champion:236}} or {{champion:51}} since they are better and stronger picks in this meta. I take a look at the LOL tier list website a lot to see which champs are good to play right now and {{champion:96}} is at the Demi God tier list of ADCs. I just dont really get why people flamed me for it?
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