I think the 2020 reference doesn't make sense because dead pixels are an inherent part of the manufacturing process. The only way to reduce the impact of dead pixels is to discard defective panels which drives up the price but this is a low cost product from a relatively unknown manufacturer who might cancel the product if there are too many RMAs.

It is perfectly okay to say "It's 2020, why does my company still force me to use flash when it's unsupported in the latest browsers?". Flash is obsolete and will only become more obsolete over time. Dead pixels will probably keep happening until we switch away from conventional display technology.