Lots of goddamn awesome computers fizzled out. The Amiga being a prime example. Besides you can't just wave your arms in the most vague terms and then deny that survivor bias was ever a thing.
Survivor bias is always a thing but it's not everything. All surviving things are not equal and neither are all gone things. If there are such things. Some cls technology never dies. There are new games written for 8-bit Atari today.