P.S: maybe your answer will be biased here because you were never really a victim of it, and especially not in important matches.
you didn't read what I write ?
This manager playing with this formation, eliminate a team I had from CH.L. (one year ago, with the same quality of the other guy, 5-6* players, playing 4-5-1). In the next round, he disqualified because of the "away" goal.
Again the program ignored the "illegal" formation.
Every manager of the game can have a troll result but still it's rare.
You can see more games in vent thread but also you can see some standard members of this forum, who just post 1 troll game every one or two seasons.
It's a fb game, not the DARPA central system - lol
But generally yes, it's an acceptable number of fails for me. Suppose that this is acceptable for you either or else you would stop playing.
* That's the definition "acceptable" for me.
If it's not, I 'm just stop playing or doing something.