We don't want facts to get in the way of your opinions, I fully understand that.
Can you explain this then?
9 steel gates of Arizona's border wall ripped off by monsoon storms, 5 completely missing
https://www.12news.com/article/news/special-reports/at-the-border/9-steel-gates-of-arizona-border-wall-ripped-off-by-monsoon-storms-5-completely-missing/75-d1140599-f255-4b95-ad58-79f8b65cdce0
Or this
Trump’s border wall, vulnerable to flash floods, needs large storm gates left open for months
https://www.washingtonpost.com/immigration/trumps-border-wall-vulnerable-to-flash-floods-needs-large-storm-gates-left-open-for-months/2020/01/30/be709346-3710-11ea-bb7b-265f4554af6d_story.html
Since you seem to be a border wall and fence expert, I think you probably need to head to the southern border and build it better.