That seems unlikely, when you consider the advertising market and how it works. Fundamentally, the providers (i.e. the chainsaw store) don't tell the advertising platforms when a person buys a chainsaw (and often they can't tell themselves).

So, what ends up happening is the situation that many people complain about is that the provider shared a list of people who looked at chainsaws, and then the advertising platform shows them ads until they run out of money/find more profitable ads to sell.

From the perspective of the ad platform, it doesn't matter that you already bought it. From the perspective of the provider, this is acceptable waste.