The gold gain is so fast on Dominion, it lets Heroes like Singed/Irelia/Jax become god mode way to early. Since there is no way to deny them gold you can't really counter them either.
Casters require to much build time to effectively shut them down and AD carries besides ezreal and Vayne are just terrible.
If you don't like it, don't play it
Try DPS Sion.
you obviously never heard of twisted treeline
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