The site's devs & testers simply never even see the invalid password screen - only automated scripts with test credentials ever interact with it. They have a co

The site's devs & testers simply never even see the invalid password screen - only automated scripts with test credentials ever interact with it. They have a completely different experience, and that affects how the site is built. At the end of the day, making life easier for users is not a priority unless it affects the bottom line.