I don't mean to be glib but: citation needed?

One of the slowest moving hardware improvements (compared to CPU/Memory speeds) is networking.

It's going to take some serious convincing to tell me that we should just fork off performance; when software is already getting slower and slower.

It's not fair to blame advertisers exclusively, we also have electron and the hundreds of JS frameworks, that's before we get down to the low level abstractions that hook into basic programs.