Yes, it is annoying. But I don’t think the game can be changed to prevent it without being too draconian/complicated. Besides, the 1.12 raid loot nerf has cut the rewards for cup dropping significantly already; I wouldn’t expect more of that any time soon.
Accept that there will always be people who post a weaker defense team than they could for some reason; that leaves you a couple choices:
- Take advantage of it, to get an easy raid, possibly with good loot, and bump your trophies up, knowing you will probably lose them again to a revenge attack soon.
- Watch for them, and re-roll, so you won’t get revenged as much…One hero, 1* or 2* heroes, something that looks really weak for the player level, or something that looks like a joke… The All Grimm death metal band- And other bands battling them this Friday Night!
I take door #1, especially if the loot or trophy gain is appealing.