Yogi86, welcome to the forum!
Here is my thinking on them, the thicker plating should work...I had asked Berry's a while back about their thicker plating for 10mm and they did say that it would be better at higher velocities. With the 9x25, Bullet set back is what you want to avoid, so being careful with neck tension is crucial. Don't over crimp them as to cut thru the plating.
If they were 0.356" diameter that would even be better.
A lot of people don't realize that the Gold Dots are thick plated. Berry's was due to come out with a Plated HP of their own, they were said to be shipping to cartridge manufactures first then as a component product.
Best regards and good luck!