Average users may not pay, but specialized users may pay and pay more than enough to subsidize some sort of free tier.
Not to mention, if free search engines keep devolving into an endless sea of spam, people may have no choice but to start paying. There's plenty of things out there people pay for not necessarily by choice but because there's nothing else out there that would accomplish the task at hand.
Not to mention, if free search engines keep devolving into an endless sea of spam, people may have no choice but to start paying. There's plenty of things out there people pay for not necessarily by choice but because there's nothing else out there that would accomplish the task at hand.