Yes, right, of course there should be no pause! Pausing is a nice way to bury your attempt. What I should have said is that lifters who time the dip and drive properly can maximize the whip effect to their advantage, while the whip will work to the detriment of those who rush the jerk.
And as noted above, flexibility is important for the longevity of the barbell. Later, weightlifters began to take advantage of it. Eleiko bars in particular are known for their springiness. The York bars of old were stiffer. I don't know how the other major bars today -- Uesaka, Zhangkong, Werksan, etc. -- compare to Eleikos.
I am curious as to whether anyone knows or has an opinion. Are the major bars today more or less indistinguishable? Or are their tangible differences.