Why I always ban...

Not really making this post for the boards, more so making this post so when I get flamed by teammates in champ select, I have a link I can send them to.
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DoT + stacks magic penetration +

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Blind
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Shrooms
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Only takes Teemo 2 AAs to kill a squishy.
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In a team fight, he can blind can make all the difference in the world. Hope your jungler isn't

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After a team fight, elder dragon, baron (especially late game), any champ that doesn't have magic resist can walk over a shroom and die. 1 shroom does 70% health to a squishy marksman.
Most Teemo players aren't good enough to make Teemo worth a ban. None are in my elo. But when I watch my brother play, I see what a good Teemo can do and it's annoying. As bad if not worse than

A good Teemo cannot be ganked during laning phase because of his shrooms. A good Teemo can freeze a lane he should lose by also using his shrooms. I've seen him play extremely passive (even against
) and win lane because his lane opponent is forced to build magic resist. Even though Teemo has absolutely no chance at killing them, but them rushing magic resist in the form of
made them vulnerable to the AD jungler. The Teemos I've seen give my brother's teams difficultly were pure magpen builds.

Regardless of what lane Teemo is in, he always has
(second spell could be
or
)
My problem with Teemo is that he doesn't have to be around to be useful. He could AFK in the bathroom and get a kill because you ran threw 2 or 3 shrooms in the jungle. He can freeze a lane simply by shrooming it, then start ganking everywhere.
Very rushed, typed this is about 2 minutes, back in champion select, hope it's comprehensible and you get the point.
, just not fun to play against.