The need to teach extemporaneus speaking

I just heard this sentence on a podcast, and my nose started to bleed. This is from a head writer of a television show. I'm sure he's a very intelligent man. But lord almighty, we teachers need to begin teaching extemporaneous speaking, or even or brightest writers will speak like this:

"Well I think that, uh, mmm, you know, I think that he[his dad], uh, you know, it's, I don't know he, you know, I honestly should ask him about like when, you know, because, when I experience, when I was a kid, he my dad was also, he was a professor at Fuller Theological Seminary which is in Pasadena, which is also a very sort of conservative theological, like, but, like, you know, I don't know, well, well-regarded but like cray [?], like fully like you know conservative, but he was the like the professor of like media so he would write like film reviews for Christianity Today."