whypeoplepeople

Not really, but dApps aren't supposed to have huge source codes. Much more important is having efficient and correct code, because each instruction your contract runs has a cost. If that really annoys you, there are other languages that can be used to build dApps, and more certainly to come.

There were tons of techniques to preserve home-made foods - canning, vacuum drying, salt curing, fermentation, etc. - and then someone invented the fridge. What is widely adopted?

As an average developer, I can launch a smart contract with 20 lines of code in Ethereum. I have no idea in earth how to even start writing those things on classic blockchains, let alone prove they work as I expect.