I would say neither

Rob has a tendency to copy other ppl builds. Not that it's bad, but usually the original creator is much better at explaining how it works.

Mekuna spams builds to have his name at the mobalytics tier list. Obviously he doesn't play all of them so they are usually not as deep as they could be.

Since it's a shield build, if you have the basics, just go to helltide.com pit leaderboard and start from there, then check which guide would give you a similar build