https://github.com/runvnc/tersenet
If you glance at that then you may see that I am for the idea of leaner alternatives to the current web platform.
But in the context of the existing web API which has just about everything and the whole kitchen sink in it (hundreds of sub-APIs), I do not think it will really help anyone at this point just just stop adding features, especially major ones.
The web is basically an overlay operating system and has been for many years.