I think you're wrongly equating "old" with more undesirable epithets like "enterprise" and "proprietary". There's a ton of old technologies that scale marvelous

I think you're wrongly equating "old" with more undesirable epithets like "enterprise" and "proprietary". There's a ton of old technologies that scale marvelously, and using software age is a heuristic as probably really poor when you should really be studying internal qualities.