And "gold rush" is a good term--"land grab" might be better. The fact that the "disruptive" companies are all now skirting or outright flouting the law shows that the easy land is taken.
If it's highly profitable, it's either illegal or difficult. Easy and profitable means that, even if you're first, the horde is inbound.
Those of us with real products that can't simply be done with 4 20-year-olds and a dog in Ukraine? We're chugging along, thanks.
Yeah, raising money is getting really annoying, but, if we can't, we'll bootstrap. Funny that, bootstrapping is an option when people pay you money.
And, do remember, the people who made all the money in the gold rush weren't the miners, it was the people who sold shovels and alcohol.