At International level, UEFA now makes sure that teams have to field the best XI every time because Euro seeding will based on best qualification performance.

At club level, you can’t be serious blaming the managers. Of course they will always do their best to try and win, thats their fk job. Also using Young players as match filter and get L every time they play is the worst Youth development method

FIFA, UEFA and their greedy tournament format

So you were making assumptions and do data based on that. For what?