It's also impossible to have a larger business than a restaurant, or almost any kind of technological or manufacturing industry. The limited liability corporation has existed for hundreds of years for a very good reason.
Heck, even things like shipping, the oldest insured industry, become impossible. Corporations used to have minimum capital requirements that were roughly in the region of a year's average income. https://www.doingbusiness.org/content/dam/doingBusiness/medi...
("corporation has too much money" and "individual has too much money" are different problems; Elon Musk is a problem in the way that Apple isn't)
And has life gotten better in those years? These days Elon Musk and Sundar Pichai are stealing all of our work. Back in the day, a father could take his kids on a grand tour of Europe and discuss philosophy in the cafes of Vienna all on a single income.