Is it really regulation? Or is it financing, laws about firing, cultural approaches to work, or a myriad of other differences?

Good government are like good spices - a little bit can make a dish amazing, but too much utterly ruins it.

…and I would’ve gotten away with it if it weren’t for those darn regulators!

The US used to have consumer focused regulators too, but they have been undermined for long enough to neutralize the threat to monopolistic megacorps.