If Trump's standing by him, I see no reason to complain. I agree with the issues on his campaign site as well, so if he stands by them, I suppose that's all well and good.

However, I'm not entirely happy with him for a number of reasons. Check out this article: https://www.worldtribune.com/vetting-dr-oz-pfizer-asset-feted-by-world-economic-forum-promoter-of-transgender-children/

However, even though he was accused of being a promoter of transgender kids for having a special that features some guy who was a proponent of it, I don't necessarily read that much into it, as I haven't really seen any statements of support from him outside of that. If that's the worst he's ever done, and ideologically he's not in favor of transgender surgery for kids, I'll consider that a minor issue and get over it.

He was rubbing elbows with the Davos folks an awful lot, but Trump used to rub elbows with those types a lot too before he ran for president, so again I'll overlook it as long as Trump says he's clean. These are very large associations we're talking about, he could just be there as a guest speaker or something, and not really that involved in the inner machinations of what's going on.

So yeah, be aware of who people associate with, that's good, but don't hyper focus on a few interactions and let that distort your interpretation of the bigger picture.