#1
On the dimarzio site his name isnt featured anymore and someone on youtube left a comment on a video saying its a rumor going around he quit using dimarzio pickups. Is this true? I doubt it personally.
#2
If anything he probably just dropped the endorsement. I doubt he will stop using them though.
#4
Yeah I heard that as well

I think he dropped the endorsement and is moving to fender pickups now