That is more likely the case here. They don't see profit from their side to make lower level access between the free and $100/mo tier as worth it... and would

That is more likely the case here. They don't see profit from their side to make lower level access between the free and $100/mo tier as worth it... and would rather see corporate backed developers who are likely to have 5+ figure annual contracts than deal with tens of thousands of $10-20/mo subscribers disproportionally using the system.