Is relying on OS bundled PHP version really a thing? I have not once in my 12 years of working in this field experienced anyone relying on the default OS instal

Is relying on OS bundled PHP version really a thing? I have not once in my 12 years of working in this field experienced anyone relying on the default OS installation of PHP. Most PHP lives in shared hosting platforms that are managed, and needier apps in a VPS where the PHP is also set-up, or in Docker, where again, it's set up.