You said "appalling defending, especially set pieces". I'm making the point that apart from set pieces, our defending has been world class. With only six teams conceding fewer goals (and that includes the set pieces) or defending cannot be described as appalling. Incredibly. Despite being...
A more constructive start point might be around understanding who is accountable and who responsible. No one is to blame because there is no blame to new apportioned here.
You're a hard one to impress. Only six teams have conceded fewer goals than Brighton so far this season. Agree we're vulnerable from set pieces, but appalling defending is as sensationalist and one eyed as you can get. https://www.premierleague.com/stats/top/clubs/goals_conceded