I couldn't disagree more.
When Massey looks at the same out of conference schedule, he currently ranks it 10th among Division 1 WBB teams. That's higher than the strength of schedule for 6 of the other teams he currently lists in his top 10. I suppose you could say that Massey's system is flawed, but it's a long way from what he sees to "embarrassing.".
As for the transfers, these comments about playing time are completely off base, as are, in at least three cases, the account of the transfers. For instance:
Mallory McGwire (a 6'5" post) started for all of her freshman season and part of the next until she lost her starting spot to Satou Sabally about 8 games in, a change that was central to the team's success for the remainder of the season. That, and the recruitment of the second Sabally sister, since, at 6'4", Nyara Sabally is a much better and more versatile player than McGwire, are the likely reasons for the transfer. Sierra Campisano (a 6'2" forward/post) was the highest ranking recruit other than Ionescu in the 2016 class, but--for whatever reasons--she never panned out--and that despite being given a lot of minutes (and chances) her freshman and sophomore years until, by the end of last year, she was the last, or nearly the last, player off the bench. As a result, her transfer was, to my mind, inevitable. And at the risk of bursting through open doors, however many minutes Ionescu was on the court had absolutely no impact on the playing time for either of these players.
Aina Ayuso, the only guard among the players who left after last year and so the player most likely to be "tired of the hype," didn't transfer: she turned professional. In short, she simply decided that the college game (or the U.S.) wasn't for her. And she did get a fair amount of minutes as a freshman--certainly far more than she would have gotten from many coaches. As anyone who has watched Oregon for the past few years, or Gonzaga before that, knows, Graves plays his bench a lot--with this year the obvious exception since he has only 8 players most of the time. The one transfer that I find puzzling is Anneli Maley, who also received a fair amount of playing time as a freshman. Perhaps she felt what you suggest, or perhaps--and this seems to me more likely--at 6'2" she also was concerned about playing time with the arrival of Nyara Sabally. But, again, her minutes and Ionescu's had absolutely no relation to one another.