Hi,
Glad you found it useful. Tbh its a delicate balance, I think the last twelve months has demonstrated a significant upward trajectory for PLO MTTs (WSOP field sizes, Aria PLO-only series, expanded PLO schedule for Triton etc) that will over time filter down to upper mid/midstakes, but as far as RIO content is concerned, cash content tends to be better received and has a greater positive effect on subscriber base. Put another way, I'll get lynched if I make too high a % of my overall output MTT focused :)

Solver doesnt factor in the utility of winning chips because ICM model assumes that the tournament concludes after the hand currently in progress.

generally you want to have a nut suit and unblock folds, I prefer to simplify out the low freq stuff you'll see in sims and focus most of my attention in his spot on A-low-low-low type hands. Worth noting that they'd want to be wider vs opens from ppl with similar stacks, vs me here hes not gonna want to do a whole bunch of 3betting, notwithstanding my likely CO RFI frequency.

Depends to an extent on his overall strat - if hes splitting limp/RFI, RFI size should prob be full pot, if hes playing raise only, sizing some medium size and 3.5x are prob very close in overall EV.