> US leads the world in illegal activities and spying/stealing from foreign nations.
That's one of those empty, non-falsifiable statements that don't do anything to further a discussion. Spying and illegal activities are by definition supposed to be secret.
But it also doesn't matter. Because...
> Hypocrisy and arrogance at its finest
... as a matter of general principle: it's in the best interest of a country to know what other countries are doing and to protect its own assets. There is no contradiction in doing both at the same time.
If a country suspects that one of the cornerstones of its communication infrastructure is at risk of being infiltrated by a foreign power, it makes sense to take steps to avoid that.
I'll leave it to others to judge whether or not that principle applies to the Huawei case.