Earlier quoted context omitted.
Mac Mini doesn't need a real GPU in my opinion -- what they need is a mid-level desktop that accepts a real GPU. $1000 - $1500 with decent specs. But, we know they won't move into that space.
You can get a new Mac Mini and a Thunderbolt 3 eGPU for $1500 or less.
[0] https://www.apple.com/shop/product/HMT22ZM/A/sonnet-egfx-bre...