In the end there are however clear incentives and profiteers of the development. Google has an incentive to keep the web complex enough to the point where they are the monopoly. Same goes for governments and complexity of security mechanisms.
How ever we got here, now google is the internet and security is achieved by things like TLS. Its inefficiencies that are profitable for existing power structures.
Which also makes it a lucky coincidence that mozilla is behaving as user -unfriendly as they do.