ECC should be mandatory in consumer and cpus and memory. This will be seen like cars with fins and not having seatbelts in the future.
Ok, I'll bite - what tangible benefit would ECC give to the average consumer? I'd wager in the real world 1000x more data loss/corruption happens due to HDD/SSD failure with no backups.
Personally I genuinely don't care about ECC ram and I would not pay more than $10 additional price to get it.
I have a desktop where CPU, OS and motherboard all support it. But ECC memory wa hard to find. Memory with useless LEDs, though, is easily available.