Trump is brilliant and I’ll trust him, too. However, he’s not omniscient or perfect.
Well you are talking like the steel wall will be made like a 1970s car and you never heard of stainless steel or other rust proof alloys. Additionally from the specs I saw upthread the steel slats would be filled with concrete making it even stronger and more durable.
You are certainly entitled to your pessimistic opinion. I just disagree with it for the multiple reason I’ve cited based on reality not hypotheticals