As long as China and Russia exist, Turkey's geopolitical value remains intact.
The border has been closed for 'day trips'. It was a mutual decision. However, like I said before, cargo traffic and trade in general is still happening despite US pressure to shut the border completely.
Türkiye and Iran have mutually suspended day-trip crossings at their border, Turkish Trade Minister Ömer Bolat on March 2 announced, as Israeli-U.S. strikes continued to pound the Islamic Republic.
www.hurriyetdailynews.com
This means that Tehran won't face shortages like UAE or Israel because their companies are importing goods, food, medicine via Turkey.