[racecar789]

It’s likely that Google has tested how many ads it can place in search results before users lose patience and turn elsewhere.

On paper, the approach makes sense: push profitability as far as possible. But in practice, it can leave customers feeling squeezed and resentful, much like the increasingly nickel‑and‑dimed atmosphere visitors now complain about in Las Vegas, and the proliferation of tip screens.

[rhetocj23]

Yes its purely economics and profit maximizing behaviour from Google.

Marginal benefit vs Marginal cost.