Why do the most lucrative industries quickly become the most saturated?
Because that’s where people are making money.
In no time, that lucrative industry becomes an over-populated any man’s zone where only the exceptional survive. Fortunately, in the words of Henry Ford, most (if not all) of that saturation is full of business-owning wannabe’s who provide a sub-par product.
“A market is never saturated with a good product, but it is very quickly saturated with a bad one.”