That’s not review bombing, that’s just leaving a negative review because the experience has turned negative.
They should direct their complaints at MS if that’s what broke their game, but I don’t expect the average Assassin’s Creed player to understand the difference.
So Frozen Bells is still free, as well as Super Person Run Deluxe, Easy as Pie and Super Morgan Land.
Unfortunately for me, they do not really appeal to me, but each to their own.