We don't say: " They're the goodest" for a reason.

我们不会说：“他们是最好的”是有原因的。

And look it, look it, look it: I didn't write: " They're the goodest" , I wrote: " They're the best" .

看，看，看：我没有写：“他们是最好的”，我写的是：“他们是最好的”。