I'll fully admit to full-on Ping bias for as long as I've been playing but mostly due to how much I enjoy playing them. I've recently developed the same affinity for PXG because I think their DTC model is fantastic and a great way to buy clubs and my switch to their driver (and going through their fitting process) changed my game dramatically.
My Ping Fairway and Irons have been a mainstay in my bag for going on 10 years
For wedges, I'm always pro-Vokey and have loved the 2 that I've owned.
Putters, Ping used to be the king for me but Odyssey, Scotty, Evnroll have all jumped up my bias meter
Titleist and Ping have always been among the best all-round brands from a perception/bias standpoint. I don't really have any true 'negative' brand perception but definitely think certain ones aren't 'me' - Honma & Wilson to name two... But I can't say I have a negative view of any of the 'Big 5' brands
I've definitely become strongly opposed to buying equipment off the rack going forward.
In the clothing space, Bias toward Travis Mathew, Peter Millar and Adidas. Nike from head to toe has never fit me well so it's more a 'not for me' than a negative connotation...