Looking at the pricing for those AWS instance types ("db.t4g.medium" and "r6gd.large.search"), then looking at co-location costs... I wonder if they have enough

Looking at the pricing for those AWS instance types ("db.t4g.medium" and "r6gd.large.search"), then looking at co-location costs... I wonder if they have enough clusters that it would make sense to move some to co-location? I guess if their customers are mostly already using AWS, that would be a bad idea because of AWS data transfer fees then applying?