I never understood the value proposition of Xeon, Epyc-s and other 'enterprise-grade' hardware, considering the strong push towards horizontal scaling, failover

I never understood the value proposition of Xeon, Epyc-s and other 'enterprise-grade' hardware, considering the strong push towards horizontal scaling, failover reliablity, microservices, etc. Are they more reliable, are they bigger? They are certainly are more pricey. I have ratty-ass computers running at home with weeks worth of uptime. More is not really needed, ironically my home stuff usually has much longer uptimes than the prod infrastructure that I work on, that has constant restarts due to upgrades, configuration, etc.