They might not be buying the toothpaste, but they may very well be in partnership with or owned by the same people as the toothpaste company. I’m sure they know the brand of toothpaste you use makes very little difference in the grand scheme of things, and if they were to recommend one it wouldn’t be because they’re wanting what’s best for you, but because some money exchanged hands.
It just happens that in this case the incentives would align cause they’re not paying for the toothpaste.
They might not be buying the toothpaste, but they may very well be in partnership with or owned by the same people as the toothpaste company. I’m sure they know the brand of toothpaste you use makes very little difference in the grand scheme of things, and if they were to recommend one it wouldn’t be because they’re wanting what’s best for you, but because some money exchanged hands.