My belief and experience is that the shapeokos are not stiff enough (due to belts in my opinion ) to run at production speeds at that deep of cuts.
I can cut 3/4” Baltic birch full depth with a 1/4” compression bit. 18k rpm and 60 ipm but it burns the bits up because it’s not meeting chipload recommendations. I need the bits to last more than a couple weeks so I have two alternatives.
First is if I am pocketing already I run a 1/4” down cut down to 1/4” above stock bottom leaving 20k stock to leave. Then come in with the compression bit to finish the job.
If I am not pocketing I use a 1/4” compression bit at 18k rpm 150 ipm 1/4” doc and do it in multiple passes.
Even then the edge finished isn’t the best.