Why is the new Crazy Taxi free-to-play?

Series creator Kenji Kanno wanted the "challenge" of creating a game with the business model.
Series creator Kenji Kanno wanted the challenge of creating a game with the business model.

Play 3 game modes: Arcade, Original & Crazy Box! Choose from 4 unique taxi cabs and 4 unique drivers! Rocking soundtrack from hit bands Offspring and

Crazy Taxi - Sega Dreamcast

Sega Reportedly Developing Big-Budget Reboots Of Crazy Taxi, Jet Set Radio - Game Informer

Sega Power Surge confirms new Crazy Taxi, Jet Set Radio, and more

SEGA's Crazy Taxi Game is Free Today [Download] - iClarified

Sega News: 'Jet Set Radio' Releasing this Month, 'Crazy Taxi' Updated with Widescreen Support – TouchArcade

CRAZY TAXI Is Now Free To Play On Your Smartphone — GameTyrant

Why is the new Crazy Taxi free-to-play?

Crazy Taxi: Fare Wars

Crazy Taxi - Wikipedia

Crazy Taxi::Appstore for Android

Crazy Taxi Classic on the App Store

CRAZY TAXI Is Now Free To Play On Your Smartphone — GameTyrant

Taxi Chaos for Nintendo Switch - Nintendo Official Site

Crazy Taxi - Wikipedia

Sega reportedly has a Crazy Taxi reboot under way with Jet Set Radio right on its heels