you probably just notice that because it doesn’t make sense from your perspective.
it’s probably more cost efficient for advertisers to just throw relevant ads at potential groups. Determining whether an individual already has the item is a waste of resources, and you probably don’t notice when the ads are things you don’t own.
he was like 24-25 when Wolfenstein 3D came out (having designed like half the levels) and continued on, being an integral part of Doom, Doom 2, Hexen and Quake