Simple, back when the browser shake-up was going on (early 2000s) Opera was a paid browser, or a free browser with banner advertisements. It was also Windows on

Simple, back when the browser shake-up was going on (early 2000s) Opera was a paid browser, or a free browser with banner advertisements. It was also Windows only for a long time. I don't remember exactly when they came to their senses and admitted that no one pays for a web browser, but by that point it was too late.