You're just fucking over people who work for hourly wages and/or have childcare issues. People who otherwise might be sympathetic to your cause.
It's the stupidest form of protest there is. Maybe it would be fine in a country with a better social safety net, but in the US it impacts poor working people the most, while wealthier people can just work remotely or stay home and still earn their salary.
Meanwhile some single mom is being blocked from picking her kid up from school.
Iran is Persian, not Arab. They are also currently engaged in a power struggle by proxy with the KSA, ostensibly to determine which of them will become the region's dominant power. There is no world in which KSA sides with Iran, and as they go (MBS really) so go most of the other big players in the Arab world.