[Nullabillity]

The alternatives don't demand your payment details.

[ulrikrasmussen]

You can pay for Kagi using cryptocurrency if you want to pay anonymously.

The alternatives demand your data and/or lets you pay an attention fee by showing you ads or irrelevant results.

[digging]

Like Google? Whose entire business model is pilfering that data without asking you? And who also asks you constantly to attach a phone number to your account, etc.?

[Nullabillity]

Google works in an incognito window, DDG even works over Tor.

Neither is perfect, but it's hard to do worse than "you have to be logged in with an account associated with your payment details".