Both Apple and Google need to be regulated. Their vice grip on app distribution, app defaults, search defaults, payments defaults, user credential saving defaults, messaging defaults, browser defaults, and then their brutal taxation of almost all web e-commerce and businesses is beyond the scale of whatever Standard Oil had.
You cannot do business on the Internet without paying the Apple and Google toll. They control all the points of ingress and egress, and they tax everything that moves.
It'd be bad enough if they were just charging money, but they also make you jump through hoops to design software their way, do unplanned upgrades to their cadence, prevent you from deploying emergency hot patches, prevent you from updating software dynamically, prevent you from knowing your own customer, etc. etc. etc.
And they're happy to sell your competitors ads to outrank you for your own trademark.
These companies need to lose their control over this. Web distributed apps must become the norm.
You can't tell me that with sandboxing, signature scanning, and some clever heuristics, that we can't make mobile completely safe for free and open distribution.