[ZeroGravitas]

This is well studied so it is you that is confidently wrong.

The government funded research and market incentives preceded the mass manufacture.

> In terms of government policy, Trancik says, policies that stimulated market growth accounted for about 60 percent of the overall cost decline, so “that played an important part in reducing costs.” Policies stimulating market growth globally included measures such as renewable portfolio standards, feed-in tariffs, and a variety of subsidies. Government-funded research and development in various nations accounted for roughly 30 percent — although public R&D played a larger part in the earlier years, she says.

"Explaining the plummeting cost of solar power

Researchers uncover the factors that have caused photovoltaic module costs to drop by 99 percent."

https://news.mit.edu/2018/explaining-dropping-solar-cost-112...