system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How are big-budget podcasts supported so well by advertisers when those ads can easily be skipped?
gpt
Because enough people *don't* skip them.

That's why they all have different promo codes: so that the companies can see who's buying things based on each ad they run.  Then they cancel the ads that don't bring in money.