> for example, assembling the "chase trifecta" is a goal for many credit card optimizers.[0]
There's been some talk over the years that The Points Guy (who's often considered a shill in credit card churning communities) pushes Chase cards so hard because they offer him the best kickbacks.
perhaps a poor choice of link. it's just the first example I thought of where the combo of cards is better than the sum of its parts, which kinda depends on them all being from the same issuer.