... Americans use only a handful of clichés and catch-phrases. They skip and jump from one cliché to the next one and seem lost between them. ..... , the average American's grammar is awful.
I beg to differ about your take on the number of times average Americans use idioms-
multiple times daily at a minimum for most. ....
The average American's dialogue is saturated with catch-phrases, clichés, and popular expressions.
* like
* basically
* point in time - rather than now, then, or simply "at that point".
* in terms of
* individual - rather than the/that person
* multiple - rather than several, many, a few
* did - rather than conjugate the following verb.
* had went/had seen
* we was/they was
* kids - almost never saying child/children
* mom - rather than mother
* reach out - rather than contact
* I appreciate it - rather than a simple thanks/thank you
* real quick - instead of .... well, I don't even know what that is supposed to mean.
etc.