20yrs ago: Java (focus on your biz logic)
15yrs ago: .NET (focus on your biz logic)
10yrs ago: Dynamic langs (focus on your biz logic)
5yrs ago: Microservices (focus on your biz logic)
0yrs ago: Serverless (focus on your biz logic)
Each stood on the shoulders of giants, improved upon the prior generation, and the scale today is something we couldn't have even dreamed of 25yrs ago.