Definitely a lot of "ifs" in that reported offer.
If you stay, and by "you" we mean 2 schools. (I'm sure the other 7 loved being told that the stacks the leverage to that degree on which schools will get the feature games & will dominate the unequal revenue share.)
If you can land these other schools under these terms. We're giving you $70M and you keep what you don't spend paying exit fees ($34M in MWC, $10M + up to $15M for not giving 27 months notice). With a reduced share, it will be years to realize a Net ROI even if the Pac provides significant help with exit fees. Then, this deal for the G5 is subject to renegotiation if certain members leave. That said, I think all the G5s would take that deal so they could have hope of establish themselves as commanding a seat at the table in future realignment.
If you can grow your brand and promote your university well enough to reach your boosters and university donors, engage your fans, attract recruits for your sports teams, and drive university applications via 100% subscription app without slipping on those things, then it's a great deal. This, I think, is the one that will cause the Athletics Directors and Presidents/Chancellors to choose another option if they have one. It makes for a selection of the Big 12 an easy sell to Regents or Trustees and primary boosters + corporate sponsors (their investments are keyed to positive and broad brand exposure). I believe this was the thing that drove CU's disgust at Pac-12 Football Media Day much more than the media dollars or that those numbers weren't fully baked out.