Right. Given that Vulkan and Direct3D12 have a very high barrier of entry, the way to get the most out of modern hardware is to leverage an existing high-quality engine.
A 'monoculture' would be bad, but I don't think that's a real risk. Also, Direct3D11 isn't going away.
A 'monoculture' would be bad, but I don't think that's a real risk. Also, Direct3D11 isn't going away.