You see only what is easy to see. This is what I mean about threshold vs advantages.
Hand up Terms Quantity Hand % Win Loss Tie Win Loss Average Total $25
99 8 Split 50000 0.036% 38.30% 30.20% 31.50% 6.9 5.4 2.09 $76.2
99 8 No Spl 50000 0.056% 35.40% 29.00% 35.50% 9.9 8.1 1.38 $61.8
The difference on splitting vs non splitting over the course of 50k hands is $14.40 at a $25 bet minimum. There is no chance for a double or a blackjack. What you don't see is the next hand where you have the possibility of a double or blackjack. Chewing up cards is not prudent in a SDSU game as it shortens pen even more. Splitting with a large or max bet on the table gets more gain for the dollar invested. 99v7 jumps from a win percentage of 43.90% to 61.20% at (57.14%, Large cards remain vs small) or around TC 2 truncate.
The percentages are based on a CV Data 200M sim.