It's also not necessarily guaranteed that it is in fact TeamViewer running the ad for TeamViewer.
It's a pretty common marketing practice to arbitrage referral benefits so that you might sign up for a product that offers cash referral bonuses of (let's say) $5 per signup. An affiliate marketer may take some petty cash and run some experiments, determine that ~5% of the people will sign up to an ad with highly effective copy, so then now they can run ads, potentially pay higher rates per click than TeamViewer does, and make a little passive income on the side.
It's a pretty common marketing practice to arbitrage referral benefits so that you might sign up for a product that offers cash referral bonuses of (let's say) $5 per signup. An affiliate marketer may take some petty cash and run some experiments, determine that ~5% of the people will sign up to an ad with highly effective copy, so then now they can run ads, potentially pay higher rates per click than TeamViewer does, and make a little passive income on the side.