New 2007 RZ2 owner - Automated Ballast System vs Ronix Eight.3 Telescope Ballast Bags

[jbgp1200]

So I watched this video and it seemed like good instruction on how to install a through hull fitting. However the comments seem to tell the guy hes wrong.

https://www.youtube.com/watch?v=r8oprSN59A8

Anyone have an opinion on this?

Thanks,
JB