Just because the ad is there doesn't mean it's what he skates necessarily. Sometimes they give a pro a popular truck size to sell more of that size.
Ishod rides 147 with risers and packed with washers in the axle. Basically hacking together a 148, but it works for him.
I'm not saying forged plates are objectively bad nor are hollow trucks, just that for me it's really not an added bonus. My Titanium lights were basically 100g lighter each than an Indy Standard, which adds up to .44lb and isn't insubstantial.