> Desktop or even native mobile development seems to be like going back to the last century.

The funny thing is that looking from the opposite perspective I feel the same. The web development looks like going back to beginnings of programming and reinventing everything again in the browser. You know, like when you read about 'tree shaking' being cutting edge technology in JavaScript land, then look at definition to realize that it's just dead code elimination that has been done by linkers & compilers for ages.