User research doesn't show that anything is good or bad, full stop. User research shows that things are good or bad for a particular use case or audience. That'

User research doesn't show that anything is good or bad, full stop. User research shows that things are good or bad for a particular use case or audience. That's why companies have user research teams - because there are few universal principles, and it's important to understand what's best for your users in your context to achieve your objectives.