Help with some Ray Zee advice

[Beavis68]

Catagory 7 hands from H/L split poker.

Three consecutive high cards to a straight flush.

Ray says these are "some of the best starting hands" as long as your cards are live.

How live?

Do you want the cards that pair you live too?

Just what does he consider "high cards"? AKQ of course, but what about JT9?

He also says that you can take these hands to 5th and even sixth if when you brick up if your opponents boards do not look "too threatening"

This seems like terrible chip spewing advice to me. Can someone please clue me in? These hands seems marginal at best to me.