For $100, you can opt to have 10Gb ethernet as well, so it's not
really slower LAN. Personally, I think choosing the higher end M2 Pro
doesn't make the comparison more fair than the lower end M2 Pro, so you can get 10GbE and "save" $200 (compared to the Mac Studio) by choosing the base M2 Pro Mac mini for the comparison and including 10GbE.
But, I agree. I don't understand the purpose of the M2 Pro Mac mini very well.
Apple is charging way too much for the M2 Pro upgrade, which makes it a confusing option. Is the fully enabled M2 Pro chip really worth $600 more than the base M2 chip by itself? That's the cost of an entire base Mac mini! I don't understand why Apple is charging this much. I think $200 for the base M2 Pro chip and $400 for the fully enabled variant would have been a more sensible price structure. Still a bit expensive, but less confusing.