Fuckin' user interface design, I swear 5 years ago
The correct answer of course is that the Submit button should be the primary CTA for the form, and it should be styled in a way to make that abundantly clear to the user. The Reset button (which I haven't seen on a modern form in years), if necessary, would be a secondary action and styled as a standard link, ideally beneath the Submit button (and it would require user confirmation).