ECC RAM is only necessary for people doing financial-related work.
If a video has a bitflip that is not corrected in software, ooooo 1 pixel will be a slightly different shade or hue or one subtitle letter will be wrong worst case.
Billing, payment processing, virtual currency storage, a flipped bit could be thousands of dollars, but those systems will have multiple verifiable redundancies in place, unlike the 90s when people like to quote that ECC RAM is essential.
Also 100% uptime servers like enterprise storage servers where customer data integrity is high priority.
I have yet to see a single shred of evidence that a memory bit flipping has caused any problems past 2008 or so. Maybe another person has found some case where it has, but when I was researching for my own server, I couldn’t find a single one.
Nearly every problem (1 million times more likely) is caused by software instability and bugs, with some being due to hard drive bit rot or hardware failures which ECC won’t fix anyway.