Or you just happen to live in an area with many addicts.
And then what ads you see is determined by what advertisers think your "bucket" wants. If you are male in your 20s living in rural USA and advertisers think that males in their 20s living in rural USA are interested in guns, then that's what you will see - even if you never clicked on gun ad or searched for guns on Google.
Or you just happen to live in an area with many addicts.
Personally whenever I go to Instagram all I get are cat videos and ads about "targeted mushrooms" and kava drinks...
It all checks out ¯_(ツ)_/¯